: It topped the charts in the US, UK, Canada, Australia, and the Netherlands.
Written and sung by bassist Peter Cetera, the track marked a major shift for Chicago from their jazz-rock roots toward the polished balladry that would define their later success. Interestingly, the iconic acoustic guitar lead wasn’t played by the band's regular guitarist, Terry Kath, but by their manager and producer, James William Guercio, after the band decided his demo take couldn't be beat. The song's impact was immediate and massive:
: It won two Grammy Awards, including Best Pop Vocal Performance by a Duo, Group or Chorus.