In the context of the live recording "If You Leave Me Now," which features Peter Cetera, Chicago was experiencing a significant phase in their career. Released in 1976, the song comes from their album "Chicago VII," which was one of their most commercially successful records, showcasing a blend of rock and jazz influences. This period marked a turning point for the band as they embraced a more pop-oriented sound, leading to major hit singles like "If You Leave Me Now," which won a Grammy Award for Best Pop Vocal Performance by a Duo or Group. The song itself is notable for its lush orchestration and Cetera's emotive vocal delivery, both of which helped establish Chicago as a powerhouse in the music industry during the late 1970s. Additionally, the band's evolution during this time contributed to their lasting influence and wide-reaching appeal across multiple genres.