According to Sir Shambling's Deep Soul Heaven, there were two Art/Arthur Freemans, and they are often confused, partly because both recorded in Muscle Shoals. Obscure. File under: Muscle Shoals Voices.
Discography: 1966 Can't get you out of my mind/ Slippin' around with you
1967 A piece of my heart / Everybody's got to cry sometime
In the music library: The Complete Fame Singles Volume 1: I Can't Get You Out of My Mind; Slippin' Around with You; Everybody's Got to Cry Sometime; A Piece of My Heart
Sir Shambling's Deep Soul Heaven (This Art Freeman)
Sir Shambling's Deep Soul Heaven (t'other one, Arthur Freeman)