Vegas act on Motown; on her lp Here I Am, along with two other Ron Miller songs (released late '66). Connie Haines had the first Motown recording ('65), out on Motown Unreleased 1965.
Jean DuShon [second recording (not counting demos), first released (on Cadet)]
Stevie Wonder [his highest chart position US so far]
Frank Sinatra [in '94 in duet with Gladys Knight and with Stevie Wonder on harmonica]
Gladys Knight [in '94 in duet with Frank Sinatra]
Michael Bublé [in film Down With Love]
Ron Miller also wrote Heaven Help Us All and Yester-Me Yester-You Yesterday, both recorded by Stevie Wonder. See also: I've Never Been To Me.