First recorded (as a demo) in 1965 and first released by Jean DuShon (Oct 1966).
Also recorded by Connie Haines (1965), Barbara McNair (released Nov 1966), The Four Tops (1967), The Temptations (1967).
Hit versions by Tony Bennett (US #91/EZ #8 1967), Stevie Wonder (US #2/R&B #2 1968).
From the wiki: “‘For Once in My Life’, written by Ron Miller and Orlando Murden, was originally recorded by Jean DuShon, tapped by Miller to demo ‘For Once in My Life’ as he was ‘fine-tuning’ the composition. Miller was so impressed by DuShon’s rendition he released her recording as a single on Chess Records’ Cadet label in 1966.
“Motown CEO Berry Gordy found out that Miller, a Motown staff writer, had given the song to an outside artist. Gordy had Miller immediately make the song available for Motown artist Connie Haines, who recorded the first version of the song at the label in July 1965 and, then, Barbara McNair to record (in 1966) and, later, for the Four Tops, the Temptations and, later, Stevie Wonder to record.