
Stevie The Great!

Part-Time Lover - Wikipedia
The song featured R&B singer Luther Vandrosssinging the ad-libs and backing vocals, in addition to Wonder's ex-wife and fellow singer-songwriter Syreeta Wright and Philip Bailey of R&B/funk band Earth, Wind and Fire. Wonder earned a Grammy Awardnomination for Best Male Pop Vocal Performance in 1986, for the song. Wonder is noted in the liner notes of the 4-CD set Hitsville USA: The Motown Singles Collection Volume 2 1972-1992 as describing the music for the song as an ode to "You Can't Hurry Love" and "My World Is Empty Without You", both by the Supremes, former Motown labelmates of Wonder.