"How 'Bout Us" by R&B music group Champaign, composed by band keyboardist Dana Walden, was originally released in 1975 by an earlier incarnation of the group (Water Brothers Band), but later re-recorded, becoming 1981 hit.
https://en.wikipedia.org/wiki/How_'Bout_Us
https://en.wikipedia.org/wiki/Champaign_(band)
https://en.wikipedia.org/wiki/How_'Bout_Us
https://en.wikipedia.org/wiki/Champaign_(band)