1 Who Is It (7" Edit With Intro) Edited By – Michael Caplan, Vlado Meller Producer – Bill Bottrell, Michael Jackson Recorded By, Mixed By – Bill Bottrell 4:11 2 Who Is It (The Most Patient Mix) Producer – Bill Bottrell, Michael Jackson Programmed By [Keyboard] – Steve Anderson Remix, Producer [Additional] – Brothers In Rhythm 7:43 3 Who Is It (IHS Mix) Producer – Bill Bottrell, Michael Jackson Remix, Producer [Additional], Edited By – Moby 7:58 4 Who Is It (P-Man Dub) Producer – Bill Bottrell, Michael Jackson Remix, Producer [Additional], Edited By – Moby 7:29 5 Don't Stop 'Til You Get Enough (Roger's Underground Solution Mix) Co-producer – Michael Jackson Engineer [Overdub] – Keith Senior Producer – Quincy Jones Programmed By [Keyboard] – James Preston Remix – Doug De Angelis*, Roger S.* Remix [Engineer] – Doug De Angelis* 6:19