The song "Hard to Say I'm Sorry" by the group Chicago, written by bassist Peter Cetera, is the lead single from the group's 1982 album Chicago 16.
The song featured producer David Foster on the piano, three members of the American rock band Toto, Steve Lukather on guitar and David Paich and Steve Porcaro both contributing synthesizers. The song's vocals were performed by Peter Cetera.
https://en.wikipedia.org/wiki/Hard_to_Say_I'm_Sorry
https://en.wikipedia.org/wiki/Chicago_16
https://en.wikipedia.org/wiki/Chicago_(band)
The song featured producer David Foster on the piano, three members of the American rock band Toto, Steve Lukather on guitar and David Paich and Steve Porcaro both contributing synthesizers. The song's vocals were performed by Peter Cetera.
https://en.wikipedia.org/wiki/Hard_to_Say_I'm_Sorry
https://en.wikipedia.org/wiki/Chicago_16
https://en.wikipedia.org/wiki/Chicago_(band)