Chicago Breaks Through (Classic Rock Calendar - July 25, 2018)
Jul 25, 2018, 01:30 PM
While they were successful with their first album, by the time Chicago released their self-titled follow-up, they would be on their way to becoming one of the biggest bands of the '70s. That was solidified on this date, July 25, 1970, when they released "25 or 6 to 4." Allan looks back in today's Classic Rock Calendar...
Image: Daniel Locke / PR Photos