who made this?????

50 cent-ghetto quran part 2 smilez and southstar also uses this sample on there song tell me? does anybody know where this sample came from?

50 wouldnt even know hes afew sandwiches short of a picnic

Marvin Gaye and Diana Ross....can't remember the name off the top of my head though......it's like "Don't Stop, Look, Listen" or something like that....