“There’s nothing I like more than finding our back catalogue in the prog section alongside Yes and Genesis… we wanted to show off every aspect of what we could do as artists”: Call them what you like, but Chicago know they’re a prog band

In a resurfaced 2014 interview timed to the release of Chicago's 24th studio album, Chicago XXXVI: Now, founding member Robert Lamm firmly rejected the idea that the band should be remembered primarily as a soft-rock hitmaker, insisting instead that Chicago has always been a progressive rock outfit.