[8] The first two lines of the song are sung, not by Wonder, but by Jim Gilstrap; Lani Groves sings the next two.

[9] Gilstrap and Groves, together with Gloria Barley, also provide backing vocals.

Cash Box said that Wonder "changes the pace [from 'Superstition'] and delivers a stirring ballad performance that is also certain to go gold instantly.

"[10] Record World said that the "tune that's been covered many times is done best by the originator.

"[11] Source: Talking Book, Tamla: T 319L, October 27, 1972 (album cover)