In 1978, Vandross sang lead vocals for Greg Diamond's disco band, Bionic Boogie, on the song titled "Hot Butterfly". Also in 1978, he appeared on Quincy Jones's "Sounds...and Stuff Like That!!", most notably on the song "I'm Gonna Miss You in the Morning" along with Patti Austin. Vandross also sang with the band Soirée and was the lead vocalist on the track "You Are the Sunshine of My Life"; he also contributed background vocals to the album along with Jocelyn Brown and Sharon Redd, each of whom also saw solo success. Additionally, he sang the lead vocals on the group Mascara's LP title song "See You in L.A." released in 1979. Vandross also appeared on the group Charme's 1979 album "Let It In".