“It’s My Turn” (1980), the theme song for the film of the same name, was written by Carole Bayer Sager (lyrics) and Michael Masser (music). The late 70s and early 80s saw Diana Ross‘ continued professional ascent, despite the 1977 breakup of The Supremes, the group which brought her to prominence. A major single for Ross, the tune peaked at #9 on the Billboard Hot 100 chart, #14 on the Soul chart, and #9 on the Adult Contemporary chart. There are multiple modulations, with the first at 0:26.
To quote a friend who is definitely a Diana fan: “When has it EVER not been her turn?” 🙂