“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 2014 interview, Chicago co-founder and keyboardist Robert Lamm firmly rejected the notion that the band should be defined by their string of soft rock hits, insisting instead that Chicago has always been a progressive rock band at heart. He argued that tracks like If You Leave Me Now and Hard H…