Marvin Gaye "What's Going On" (1971)

From his 1971 album "What's Going On"

http://en.wikipedia.org/wiki/Marvin_gaye

http://en.wikipedia.org/wiki/What%27s_Going_On_(Marvin_Gaye_album)

Lead and background vocals by Marvin Gaye
Additional vocals by Mel Farr and Lem Barney
Written by Renaldo "Obie" Benson, Al Cleveland, and Marvin Gaye
Produced by Marvin Gaye
Instruments by The Funk Brothers