I remember there is a kid and he has these ghost assigned to him in some way, but the part that sticks out the most is that they sing 'walk like a man' the ghost are unsure what the kid is supposed to do to help him.

Heart and Souls (1993) (http://www.youtube.com/watch?v=BvvL3-36kxI)

Found it, Heart and Souls! Just remembered one of the actors and worked backwards from there! Thanks anyway!