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News of Gregg Allman's death was shared by many of his contemporaries on Twitter.

In the aftermath of the carnage at Ariana Grande's Manchester concert last night, some of rock's most widely respected artists have taken to social media to share their stunned responses.

The sudden, shocking death of Soundgarden frontman Chris Cornell has prompted a wave of social media tributes from his peers in the rock community.

The news of Chuck Berry's death has prompted an outpouring of love and respect from a wide variety of rock stars.

All four of Joe Perry's Aerosmith bandmates have posted messages of support, love and encouragement to their hospitalized guitarist.

Paul Stanley, Peter Frampton, Nikki Sixx and other rockers react to the murder of 50 people in an Orlando nightclub shooting.

See how Paul McCartney, Sammy Hagar and others are responding to the death of boxing legend Muhammad Ali.

Friends and admirers of former Megadeth drummer Nick Menza have paid tribute to him on social media.

Read what friends and admirers like Paul Stanley, Rick Wakeman and Geezer Butler had to say about the late Keith Emerson.

Many members of the metal and rock community have expressed their grief at the loss of ex-Dio and Rainbow bassist Jimmy Bain.