The Michael Zager Band

Best known for the disco hit "Let's All Chant" (1977), which sold five million copies and reached #1 in US and Europe charts.

Formed by songwriter, arranger, keyboardist, producer and conductor Michael Zager.
Alvin Fields collaborated in the writing, and he sang on the albums.
Zager discovered Whitney Houston at the age of 14. Whitney later sang with her mother Cissy Houston on the track "Life's A Party". The eponymous album, a masterpiece of the disco era, was recorded in USA (A side) and in Europe (B side).
Deniece Williams also sang for The Michael Zager Band in 1980, on the track "Time Heals Every Wound".

Data provided by Discogs