This is a new, unplayed promo copy, in its original factory sleeve. Written and produced for Diana Ross by Michael Jackson. Issued with a custom-designed label. This special promo has a 4:36 "Long Version" on one side and a 3:59 "Short Version" on the other. The retail release has the short version.
| Overall | Label | Sleeve | Vinyl | Audio |
|---|---|---|---|---|
| M | M | M | M |
| Label | Year | Chart |
|---|---|---|
| RCA 13348 dj | 1982 | #4r, #10p in October |
A-side
B-side
Artist
Diana Ross
Diana Ross
Title
Muscles
Muscles
Songwriter
Michael Jackson
Michael Jackson
Producer
Michael Jackson
Michael Jackson
Category
Modern Soul
Modern Soul
