Chicago

North American dates now continue through September.

The group's Lee Loughnane tells UCR why.

The group's co-founder Lee Loughnane tells UCR why they ran into problems with their 1969 debut.

Producer led them to platinum success in the '80s – but only after a huge change in musical direction.

A newly unearthed concert reveals how the legendary band experimented with new sounds.

The 1971 concert release features early versions of several fan favorites.

Concert movie and album celebrate the 55th anniversary of their double-platinum debut.

Band is also planning to release a new live collection in September.

Check out the muscular live debut of 'Saturday in the Park' from this historic 1971 show.

Band will appear in several major cities, including Nashville, Los Angeles and Atlanta.