Who Is It? by Mantronix on the Sleeping Bag Records label:
U.S. 12" Vinyl from 1987 with cut-out sleeve -
A1: Who Is It? (Freestyle USA Club Mix) : 6:06
A2: Who's Dub Is It? : 6:25
A3: Who Is It? (Freestyle Radio Version) : 3:25
B1: Who Is It? (UK Club Mix) : 6:57
B2: Who Is It? (Bonus Beats) : 3:52
B3: Who Is It? (LP Radio Version) : 3:25