Here's something really cool: At each stop on Metallica's 2018 European WorldWired tour, guitarist Kirk Hammett and bassist Robert Trujillo covered a track by local musical heroes – often choosing songs that are far removed from the band's traditional metal sound.

According to Setlist.fm, these moments, which the band refers to as "doodles," have been showing up right before Trujillo's solo on "(Anesthesia) Pulling Teeth." While most of the songs are known primarily to residents of that country, a few have made their way overseas – most notably Scorpions' "Rock You Like a Hurricane," Accept's "Balls to the Wall" and Europe's "The Final Countdown." But they've also indulged a lighter side than their reputation usually allows, performing cuts like ABBA's "Dancing Queen," "Take on Me" by A-ha, Falco's "Rock Me Amadeus" and the Italian standard "Volare."

They continued the practice when they brought the tour back to North America. The opening night, in Madison, Wis., saw them perform "Stupid Girl," a 1995 hit by the alternative band Garbage, who formed in the Wisconsin capital in 1993.

During the first European leg, Hammett and Trujillo made headlines when they covered Oasis' "Don't Look Back in Anger" while performing in Manchester, and Trust's "Antisocial," which Anthrax also recorded in 1988, during a concert in Paris.

Take a look at all the surprising songs Metallica have covered below, and be sure to check back because we'll be updating this throughout the tour.

March 13, Grand Rapids, MI: "We're an American Band"

For the last night of the North American tour at Grand Rapids' Van Andel Arena, James Hetfield came out to provide vocals on Grand Funk Railroad's "We're an American Band." Hetfield's only other appearances during the nightly Doodle came on Jan. 22 in Birmingham, Ala., and Jan. 28 in Raleigh, N.C.

March 11, Indianapolis, IN: "I Need a Lover"/"Vicious Circle"/"Amphetamine Addiction"

As they did in Lubbock, Texas the previous week (see below), Kirk Hammett and Rob Trujillo paid tribute to two local acts at the Bankers Field Playhouse. They played John Mellencamp's "I Need a Lover," although it appears that there was a problem with Hammett's microphone when he went to sing. They also performed a pair of tunes -- "Vicious Circle" and "Amphetamine Addiction" -- by the Zero Boys, a hardcore punk band from Indianapolis.

March 9, Louisville, KY: "Too Rolling Stoned"

At the KFC Yum! Center, Trujillo and Hammett celebrated the 74th birthday of Robin Trower with "Too Rolling Stoned." The song from the former Procol Harum guitarist appeared on his 1974 album Bridge of Sighs, which temporarily brought the blues-based power trio back into vogue.

March 6, Kansas City, MO: "Run Like Hell"

In honor of David Gilmour's 73rd birthday, the duo performed Pink Floyd's "Run Like Hell," one of the few songs on The Wall for which Gilmour composed the music. And, just as Gilmour and Roger Waters did on the record, Hammett and Trujillo traded vocals while onstage at the Sprint Center.

March 4, Wichita, KS: "Carry on Wayward Son"

Metallica's show at the INTRUST Bank Arena in Wichita, Ks., saw Rob and Kirk pay tribute to that state's favorite musical sons. They performed "Carry on Wayward Son," a No. 11 hit for Kansas in 1976. The band tweeted out video of the Doodle.

March 2, Lubbock, Texas: "Peggy Sue"/"Heard It on the X"/"Tush"

After Trujillo serenaded the crowd at Lubbock, Texas' United Supermarkets Arena with a verse and chorus of Lubbock native Buddy Holly's "Peggy Sue," he shouted "ZZ Top!" That led to a pair of ZZ Top classics, "Heard It on the X" and "Tush."

Feb. 28, El Paso, Texas: "El Paso"

At the Don Haskins Center in El Paso, Texas, they started to play a straightforward rendition of Marty Robbins' country classic "El Paso." But after 40 seconds, Trujillo halted the song and told Hammett that they had to "put our spin on it" and "customize this shit." He called out for a riff and the guitarist obliged.

Feb. 1, Cleveland, OH: "Funk #49" and "My Town"

At the Quicken Loans Arena, Rob Trujillo and Kirk Hammett paid tribute to a pair of Cleveland artists. They started with Joe Walsh and the James Gang via their hit, "Funk #49" and then moved on to the Michael Stanley Band for his 1983 ode to Cleveland, "My Town."

Jan. 30, Cincinnati, OH

Jan. 28, Raleigh, N.C.: "Lovely Jane / Albatross"

During their concert at the PNC Arena, Hammett and Trujillo started off by playing "Lovely Jane" by DAG, a funk band that had a few albums in the '90s. But then they switched to "Albatross" by Corrosion of Conformity, during which James Hetfield and Lars Ulrich returned to the stage. Metallica has a history with Corrosion of Conformity, with frontman Pepper Keenan helping out on Metallica's cover of Lynyrd Skynyrd's "Tuesday's Gone" that appeared on Garage, Inc., and Hetfield contributing background vocals on 1996's Wiseblood.

Jan. 24, Nashville: "You're Looking at Country"

When in Nashville, you gotta cover a classic country song, right? Instead of going with Johnny Cash, Willie Nelson or someone else affiliated with the Outlaw Country movement, they chose Loretta Lynn's "You're Looking at Country." She later shared a video of it on Facebook. "Now I've seen everything," the 86-year-old legend wrote. "I loved it, boys! Keep rocking and it's good by me if you do a few more of mine. Maybe I'll have to sing one with you sometime!"

Jan. 22, Birmingham, Ala.: "Sweet Home Alabama / Iron Man"

James Hetfield joined Trujillo and Hammett for a cover of Lynyrd Skynyrd's "Sweet Home Alabama," singing the verse that references Birmingham and former governor George Wallace. After Hetfield left the stage, they switched to a different Birmingham -- the one in England -- for a version of Black Sabbath's "Iron Man."

Jan. 20, Little Rock, Ark.: Econochrist and Trusty Mash-up

At the Verizon Arena in North Little Rock, Ark., the duo combined a pair of songs by Econochrist and Trusty. Econochrist started out in Little Rock but moved to the Bay Area -- they were featured in the Turn it Around: The Story of East Bay Punk documentary in which Metallica appeared -- releasing a handful of singles and albums between 1988 and 1993. Trusty formed in the Arkansas capital in 1989, but decided to relocate to another city known for its punk scene, Washington, D.C. They put out a few records between 1989 and 1996,

Jan. 18, Tulsa, Okla.: "You Dropped a Bomb on Me"

Rob and Kirk continued showing off their love of classic funk when the tour resumed in Tulsa. They played "You Dropped a Bomb on Me," a hit for the Gap Band in 1982. The trio of brothers that formed the group, Charlie, Ronnie and Robert Wilson, were raised in Tulsa.

Dec. 9, Fresno, Calif.: "Jungle Boogie"

Rob & Kirk returned to funk for their concert at the Save Mart Center in Fresno, Calif. They played Kool & the Gang's classic "Jungle Boogie," which went to No. 4 on the Billboard Hot 100 in 1973 and was resurrected 21 years later by Quentin Tarantino early in his film Pulp Fiction. Video of the performance has yet to surface.

Mauricio Santana, Getty Images / Epic / A&M / Elektra / Mercury / Noise International / Portrait / Warner Bros / Atlantic / De-Lite
Mauricio Santana, Getty Images / Epic / A&M / Elektra / Mercury / Noise International / Portrait / Warner Bros / Atlantic / De-Lite
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Dec. 7, Sacramento, Calif.: "Elite"

At the Golden 1 Center in Sacramento, Calif., the Doodle consisted of "Elite" by Deftones, who hail from California's capital city. The track appeared on 2000's White Point, the band's third album, and won a Grammy a year later for Best Metal Performance.

Dec. 5, Portland, Ore: "Taken by Surprise"

After a few shows where they celebrated some birthdays, they went back to finding local bands when they covered "Taken by Surprise," by Portland punk band Poison Idea. The track had been released in 1990 on Seattle's Sub Pop as part of their Singles Club, with the b-side being a cover of the Go-Go's "We Got the Beat."

Dec. 2, Spokane, Wash: "I Don't Know"

Video has yet to surface, but at the Spokane Arena in Spokane, Wash., the nightly Doodle, like the previous show's spotlight in Salt Lake City, was a tribute to someone celebrating a birthday. With Ozzy Osbourne about to turn 70 the next day, Trujillo and Hammett performed "I Don't Know," the opening track on Osbourne's solo debut, Blizzard of Ozz.

Mauricio Santana, Getty Images / Epic / A&M / Elektra / Mercury / Noise International / Portrait / Warner Bros / Atlantic / Jet
Mauricio Santana, Getty Images / Epic / A&M / Elektra / Mercury / Noise International / Portrait / Warner Bros / Atlantic / Jet
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Nov. 30, Salt Lake City, Utah: "White Wedding"

In honor of Billy Idol's 63rd birthday that day, Kirk and Rob went with one of Idol's most recognizable hits, "White Wedding," with Trujillo handling vocal chores. The song originally failed to make the Billboard Hot 100 when released in 1982, but a second try the next year pushed it into the Top 40.

Nov. 28, Boise, Idaho: "(I'm Not Your) Steppin' Stone"

Video has yet to surface, but according to Setlist, the Doodle at the Taco Bell Arena in Boise, Idaho consisted of "(I'm Not Your) Steppin' Stone." The Tommy Boyce and Bobby Hart-penned tune was first recorded by Paul Revere & the Raiders in 1966, but the Monkees had a Top 20 hit with it a few months later, charting on its own even though it was the b-side of "I'm a Believer." The Sex Pistols also released a version of it on the soundtrack to The Great Rock 'n' Roll Swindle.

Nov. 26, Las Vegas, Nev.: "For the Love of Money" and "Viva Las Vegas"

Metallica began another leg of their tour at the T-Mobile Arena in Las Vegas and Trujillo and Kirk went with a pair of songs thematically linked to the city. They started out by reviving the O'Jays' "For the Love of Money" that they played in Philadelphia, then Trujillo took lead vocals on "Viva Las Vegas," the Doc Pomus-Mort Shuman tune that served as the title track to a 1964 Elvis Presley movie.

Oct. 29, Albany, N.Y.: "Stand Up and Shout"

For their show at the Times Union Center in Albany, N.Y., Trujillo and Hammett chose "Stand Up and Shout," from Dio's debut, Holy Diver. Ronnie James Dio grew up in Cortland, N.Y., about 150 miles away from the state capital,

Oct. 27, Buffalo, N.Y.: "Zero the Hero"

At the KeyBank Center, the duo played "Zero the Hero," a track by Black Sabbath from 1983's Born Again, the only album they made with Deep Purple's Ian Gillan fronting the band. While Black Sabbath aren't from Buffalo, Cannibal Corpse, who covered it on 1993's Hammer Smashed Face, hail from there.

Oct. 25, Philadelphia: "For the Love of Money" and "The Green Manalishi"

At the Wells Fargo Center, Trujillo and Hammett performed two doodles. First, they paid tribute to Philadelphia's history of soul music with the O'Jays' "For the Love of Money." Then, in honor of Glenn Tipton's 71st birthday, they performed "The Green Manalishi," the Fleetwood Mac song that Judas Priest covered on 1978's Killing Machine.

Oct. 22, Charlotte, N.C.: Metallica, "Just a Bullet Away"

During their spotlight in Charlotte, N.C., Trujillo and Hammett went with a song of their own. "Just a Bullet Away" appeared on 2011's Beyond Magnetic, a four-song EP originally sent to members to their fan club, and given a general release a month later.

Mauricio Santana, Getty Images / Epic / A&M / Elektra / Mercury / Noise International / Portrait / Warner Bros. / Atlantic
Mauricio Santana, Getty Images / Epic / A&M / Elektra / Mercury / Noise International / Portrait / Warner Bros. / Atlantic
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Oct. 20, State College, Pa.: "The Nittany Lion"

In honor of Penn State's victory over Indiana in football earlier in the day, Hammett and Trujillo played "The Nittany Lion," an unofficial fight song of the university. Commonly known as "Hail to the Lion," it is traditionally performed as part of a medley prior to football games by the Penn State Blue Band

Oct. 18, Pittsburgh, Pa: Donnie Iris, "Ah Leah"

For their show at the PPG Paints Arena in Pittsburgh, Rob and Kirk performed "Ah! Leah!" by local hero Donnie Iris. The song reached No. 29 on the Hot 100 in 1980 and went Top 10 in Canada.

Oct. 16, Milwaukee, Wisc: Violent Femmes, "Gone Daddy Gone"

For Metallica's first concert at the new Fiserv Forum in Milwaukee, Rob and Kirk selected "Gone Daddy Gone" from the 1983 debut by the Violent Femmes. The group was discovered in 1981 by Pretenders guitarist James Honeyman-Scott when they were busking outside their gig at Milwaukee's Oriental Theatre, and they wound up opening up that show.

 

Oct. 13, Austin, Texas: Willie Nelson, "Whiskey River"

For their second weekly appearance at Austin City Limits, Trujillo and Hammett gamely tackled Willie Nelson's signature cover of Johnny Bush's "Whiskey River."

 

Oct. 6, Austin, Texas: Stevie Ray Vaughan, "Telephone Song"

Trujillo and Hammett paid tribute to Texas blues-rock guitar legend Stevie Ray Vaughan with a cover of "Telephone Song," from Family Style, the 1990 album he made with his brother Jimmie. (If this link doesn't take you directly there, skip ahead to 55:10)

 

Sept. 15, Saskatoon, Saskatchewan: Rush, "Tom Sawyer"

Mauricio Santana, Getty Images / Epic / A&M / Elektra / Mercury / Noise International / Portrait / Warner Bros / Atlantic
Mauricio Santana, Getty Images / Epic / A&M / Elektra / Mercury / Noise International / Portrait / Warner Bros / Atlantic
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Metallica aren't playing in Toronto on this leg of the tour, but they still recognized that city's most famous band when they hit Saskatchewan's largest city with Rush's "Tom Sawyer," although video has yet to surface. Coincidentally, someone has suggested that Metallica's "Welcome Home (Sanitarium)," the song that preceded the Doodle on the setlist, sounds a bit like "Tom Sawyer."

Sept. 13, Winnipeg, Manitoba: Bachman-Turner Overdrive, "Taking Care of Business"

Metallica paid tribute to Winnipeg's most famous musical export, Bachman-Turner Overdrive. They played "Takin' Care of Business," a No. 12 hit from their second album. In Canada, the song was the second in string of six consecutive Top 10s for the band, which included a pair of chart-toppers in "You Ain't Sen Nothing Yet" and "Hey You."

Sept. 11, Sioux Falls, S.D.: Indigenous, "Things We Do"

In Sioux Falls, S.D., Hammett and Trujillo returned to covers by a band from that state. They chose "Things We Do," a song from the 1998 debut of the same name by Indigenous, whose members are part of the Nakota Nation and grew up on the Yanton Indian Reservation. The band won Native American Music Awards for Album of the Year, Group of the Year, and Best Pop Group.

Sept. 8, Grand Forks, N.D.: Kool & the Gang, "Jungle Boogie"

Kirk and Rob continued showing off their love of classic funk at the Alerus Center in Grand Forks, N.D., with Kool & the Gang's "Jungle Boogie." The original version of the song, which famously kicked off Quentin Tarantino's Pulp Fiction, reached No. 4 in 1974.

Sept. 6, Lincoln, Neb.: Chic, "Le Freak"

A simple Google search on "Musicians from Nebraska" would have told Metallica that composer Neil Hefti hailed from that state. But instead of going with, say, his theme from the old Batman TV show, Trujillo and Hammett went with New York's Chic, choosing their disco classic from 1978, "Le Freak." As of now, video, official or fan-shot, has yet to surface, so we're embedding a performance of it from when they performed it in Amsterdam in 2017.

Sept. 4, Minneapolis, Minn.: Prince, "When Doves Cry"

The duo's cover of local legend Prince's first chart-topping U.S. single finds Trujillo wisely avoiding the song's soaring falsetto parts, instead focusing on the nearly-spoken verses. He also adds bass, something Prince famously stripped from his original version after fearing his song was too conventional.

Sept. 2, Madison, Wis.: Garbage, "Stupid Girl"

The fourth U.S.-released single from Garbage's 1995 self-titled debut turned out to be their biggest hit. "Stupid Girl" peaked at No.2 on Billboard's Modern Rock chart and No. 24 on the Hot 100. The album was eventually certified double-platinum.

May 11, Helsinki, Finland: Hassisen Kone, "Rappiolla"

For the last night of Metallica's European tour, they broke out "Rappiolla," the opening track from Täältä tullaan Venäjä (Russia Here We Come), the 1980 debut album by Hassisen Kone. Although they broke up only two years later, frontman Ismo Alanko has had a lengthy career, first with Sielun Veljet and, since 1990, as a solo act.

May 9, Helsinki, Finland: Michael Monroe, "Dead, Jail or Rock N' Roll"

For the first night of their two-night stand in Helsinki, Metallica brought a special guest for the first time during the doodle: former Hanoi Rocks singer Michael Monroe. They performed "Dead, Jail or Rock N' Roll," which appeared on Monroe's 1989 solo album, Not Fakin' It. It was the first single from the record and the video featured a cameo by Axl Rose.

May 7, Stockholm: ABBA, 'Dancing Queen'

Hailing from Stockholm, ABBA broke through to a global audience when "Waterloo" won the 1974 Eurovision Song Contest. For the rest of the decade, they dominated pop charts around the world, with 1976's "Dancing Queen" being the apex of their popularity. Although they broke up in 1982, they announced in May 2018 that they recorded two new songs for a TV special and a 2019 hologram tour.

May 5, Stockholm: Europe, 'The Final Countdown'

This song's dramatic synth riff helped break Europe in the U.S., scoring the band a No. 8 hit on the pop chart; their album of the same name reached the identical position. "The Final Countdown" has remained in the public eye through its use in commercials, during sporting events and as GOB Bluth's theme song on the sitcom Arrested Development.

May 2: Fornebu, Norway: A-ha, 'Take on Me'

Hailing from Oslo, Norway, A-ha struck gold when their debut single, "Take on Me," topped the Billboard Hot 100 in 1985. The song's innovative video also won six MTV Video Music Awards. Even though A-ha had only one other Top 20 hit in the U.S., "The Sun Always Shines on T.V.," they've remained very popular in their homeland and the U.K.

April 30, Leipzig, Germany: Accept, 'Balls to the Wall'

"Balls to the Wall" was the title track to Accept's fifth album, released in 1983. The video, which featured singer Udo Dirkschneider riding a wrecking ball as it took down a clock tower, helped the album to gold status in the U.S.. It's still the only Accept record to achieve that feat.

April 28, Krakow, Poland: Dzem, 'Wehikuł Czasu'

"Wehikuł Czasu" ("Time Machine") was a 1989 single by Dzem (Jam) from their album Najemnik (Mercenary). The band formed in 1973 in Tychy, Poland, but didn't release their first record until 1985. Although original members Ryszard Riedel (vocals) and Pawel Berger (keyboards) have died, Dzem have continued with the founding guitar-and-bass brother duo of Adam and Beno Otręba.

April 26, Munich: Spider Murphy Gang, 'Skandal im Sperrbezirk'

Named after the saxophone-playing inmate in Elvis Presley's "Jailhouse Rock," the Spider Murphy Gang formed in 1977 and released their debut a year later. "Skandal im Sperrbezirk" ("Scandal in the Sperrbezirk") was their breakthrough single, going to No. 1 in Germany, Austria and Czechoslovakia in 1981. It's about a Munich hooker named Rosi working inside the "Sperrbezirk," an area were prostitution is forbidden.

April 11, Geneva, Switzerland: Celtic Frost, 'Procreation (of the Wicked)'

"Procreation (of the Wicked)" appeared on Morbid Tales, the 1984 debut by the Swiss metal band Celtic Frost. Metallica dedicated their performance to Martin Eric Ain, the group's founding bassist, who died in October 2017. Celtic Frost combined classic metal, punk and goth, and have been cited as an influence on Nirvana. Dave Grohl collaborated with singer Tom Gabriel Fischer on one song for Probot, Grohl's 2004 solo project.

April 9, Stuttgart, Germany: Peter Schilling, 'Major Tom (Völlig losgelöst)'

Subtitled "Coming Home," Peter Schilling continued the saga of Major Tom, the astronaut depicted in David Bowie's hits "Space Oddity" and "Ashes to Ashes." The track peaked at No. 14 in the U.S. and topped the charts in Austria, Germany, Canada and Switzerland. He had only one more U.S. hit, with "The Different Story (World of Lust and Crime)" reaching No. 16 on the dance chart and No. 61 on the Hot 100 in 1989.

April 7, Stuttgart, Germany: Drafi Deutscher, 'Marmor, Stein und Eisen Bricht'

In 1965, Drafi Deutscher scored a No. 1 hit in Germany with "Marmor, Stein und Eisen Bricht" ("Marble, Stone and Iron Breaks") when he was only 19. He continued to have hits through the '60s, but spent much of the subsequent decade working behind the scenes as a writer and producer (most notably Tina Rainford's Silver Bird and Boney M.'s "Belfast"), often using pseudonyms. He died in 2006 at the age of 60.

April 5, Budapest, Hungary: Tankcsapda, 'A Legjobb Mèreg'

Translated as "The Best Poison," "A Legjobb Mèreg" was the title track to a 1992 album by Tankcsapda ("Tricky"). The trio formed in 1989 in Debrecen, Hungary, and are still recording and touring, with frontman Laszlo Lukács as the sole original member.

April 2, Prague, Czech Republic: Ivan Mládek, 'Jožin z Bažin'

A novelty song by Czech musician and comedian Ivan Mládek and his Banjo Band, "Jožin z Bažin" ("Jožin From the Swamps") tells the story of a monster who terrorizes a village in Moravia and eats people from Prague. He's defeated by the song's narrator, a man who drops powder on him from a crop-dusting plane and sells him to a zoo. "It is an honor for me, since I value the American music tradition the most – although I don’t understand this music, I admit, because what I know is Dixieland," Mládek said. "But, of course, I was happy to hear that such a famous band had chosen to play the song. I am really impressed that they were able to sing in Czech.”

March 31, Vienna, Austria: Falco, 'Rock Me Amadeus'

Vienna native Falco had a slew of synth-pop hits in Austria and Germany in the '80s, but he's best remembered in the U.S. for the Mozart-themed "Rock Me Amadeus," which hit No. 1 in 1985. Although he's thought of as a one-hit wonder, he had another Top 20 hit that same year with "Vienna Calling" and was also the co-writer of "Der Kommissar," which After the Fire took to No. 5 in 1983.

March 29, Hamburg: Michael Schenker Group & UFO, 'Into the Arena/Rock Bottom'

Hammett has long credited former UFO guitarist Michael Schenker as a main influence, and the two traded solos earlier this year on Schenker's "Heart and Soul." When Metallica's  WorldWired tour hit Hamburg, the Doodle consisted of two songs, "Into the Arena" by the Michael Schenker Group and "Rock Bottom" by UFO.

March 27, Herning, Denmark: Gasolin' 'Rabalderstræde'

Formed in 1969 in Christianshavn, Denmark, Gasolin' were one of the most popular bands in Lars Ulrich's native country in the '70s. The chart-topping "Rabalderstræde" appeared on 1975's Gas 5, but the group was unable to translate its fame to America, and they broke up three years later.

Feb. 16, Mannheim, Germany: Scorpions, 'Rock You Like a Hurricane'

In 1984, more than a decade into their recording career, Scorpions released "Rock You Like a Hurricane" on Love at First Sting. The Germany-based band, which had been steadily building an audience in the U.S., solidified its status as global superstars when the song reached No. 25 on Billboard's Hot 100 and No. 5 on the Top Rocks Tracks chart.

Feb. 14, Bologna, Italy: Lucio Dalla, 'Caruso'

Lucio Dalla was a Bologna-born singer-songwriter who first gained fame in Italy as a jazz clarinetist in the '60s. He wrote "Caruso" in 1986, and the song, dedicated to the legendary opera singer Enrico Caruso, has since been covered by Luciano Pavarotti, Julio Iglesias and Andrea Bocelli. Neal Schon recorded an instrumental version of it on 2001's Voice.

Feb. 12, Bologna, Italy: Domenico Modugno, 'Nel Blu Dipinto di Blu'

Translated as "In the Blue That Is Painted Blue," Domenico Modugno's "Nel Blu Dipinto di Blu" was Italy's entry in the Eurovision Song Contest in 1958, where it finished in third place. It has gained greater international fame, however, under its more commonly known name, "Volare."

Feb. 10, Turin, Italy: Vasco Rossi, 'C'è Chi Dice No'

Released in 1987, "C'è Chi Dice No" ("Some Say No") is the title track to the eighth album by Italian singer Vasco Rossi. The record, which came a few years after he spent three weeks in prison for cocaine possession, was considered his comeback, spending 12 weeks at No. 1 in the Italian chart.

Feb. 7, Barcelona: Peret, 'El Muerto Vivo'

Written in 1965 by Colombian composer Guillermo González Arenas, "El Muerto Vivo" ("The Dead Alive") was recorded a year later by Pedro Pubill "Peret" Calaf in a style that came to be known as "Catalan rumba." Its lyrics tell the story of a man who had gone missing and was presumed dead – there was even a wake held in his honor – before he suddenly resurfaces in town after a week of partying.

Feb. 5, Madrid: Barón Rojo, 'Los Rockeros Van al Infierno'

Another metal band from Madrid, Barón Rojo took their name from the German World War I flying ace Manfred von Richthofen (famously nicknamed the "Red Baron"). "Los Rockeros Van al Infierno" ("The Rockers Go to Hell"), one of their most famous songs, was found on their second album, 1982's Volumen Brutal.

Feb. 3, Madrid: Obús, 'Vamos Muy Bien'

Founded in Madrid in 1981, Obús are one Spain's biggest heavy metal bands. "Vamos Muy Bien" (roughly translated as "We're Doing Very Well") appeared on 1984's El Que Mas. "In the name of Obús, we want to thank Metallica for the detail of playing the legendary 'Vamos Muy Bien' in their concert last weekend in Madrid," the band said in a statement. "For us, it is an honor to listen to our music in the hands of one of the biggest bands in the world. You are a great band and great people. A hug and long live rock!"

Feb. 1, Lisbon, Portugal: Xutos e Pontapés, 'A Minha Casinha'

On the first night of the tour's European leg, Metallica covered "A Minha Casinha" ("My Little House") by a Portuguese punk band that formed in 1978 and is still active. They dedicated it to Zé Pedro, the band's founding guitarist, who died on Nov. 30, 2017.

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