"If You Leave Me Now" is a song by the #American rock group Chicago, from their album #ChicagoX. It was written and sung by #bass player #PeterCetera and released as a #single on July 30, 1976. It is also the title of a Chicago compilation album released by Columbia Records (Columbia 38590) in 1983. The single topped the #Billboard Hot 100 on October 23, 1976, and stayed there for two weeks, making it the first number one hit for the group.
https://www.youtube.com/watch?v=-9_d-sFhmRM