I did a search on the thread and the only post in 3,413 on the band Chicago was by Lily-Rose earlier in the thread. It was also Lily-Rose who was the only poster who posted a song by Elvis Presley, until I came along and did so. Perhaps the single Lily-Rose post on Chicago could be viewed as even more of a travesty because they are a bit more modern than Elvis. Lily posted "Colour My World", which is not really one of my favorites from this group, and I wanted to post my favorite.
In my opinion, Chicago stands out in rock music history as a band which expertly incorporated horns into their music. I believe a shining example of this talent is their classic "Does Anyone Really Know What Time It Is?" This song was on their debut 1969 album but because it was not released as a single until 1970 after the success of "Make Me Smile" and "25 to 6 to 4", it gets heavy play on Sirius 70s channel. The song was written to showcase the talent of Chicago trumpet player Lee Loughnane, and certainly succeeds in that obective: