1969: A band calling themselves The Chicago Transit Authority releases their self-titled, debut album, which would eventually peak at number 17. By the end of 1972 the LP had amassed 148 weeks on the chart, making it the longest running album by a Rock group up to that time. The band was later sued by the real Chicago Transit Authority and was forced to shorten their name to Chicago.

Courtesy of classicbands.com, YouTube, and SoR Radio!

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