“Walk on By”, Dionne Warwick, 1963. Won the Grammy for Best R&B Song that year.
Leroy Van Dyke did “Walk on Bye” also
http://www.youtube.com/watch?v=q203am0zFjw
Dionne Warwick - Walk On By (Stereo) http://www.youtube.com/watch?v=AO073fekFfA