Master Mixes - Uruguay: 501 663-4

Master Mixes - Uruguay: 501 663-4 is a Duran Duran promotional-only cassette EP single, released in Uruguay by EMI during 1987.

Side A

 * 1) "American Science" (Chemical Reaction Mix)
 * 2) "Vertigo (Do the Demolition)" (Mantronix Mix)
 * 3) "Skin Trade" (Parisian Mix)

Side B

 * 1) "American Science" (Meltdown Dub)
 * 2) "Vertigo (Do the Demolition)" (B-Boy Mix)
 * 3) "Notoriousaurus Rex" (Master Mix)

Personnel
Duran Duran are: With:
 * Simon Le Bon - Vocals
 * John Taylor - Bass
 * Nick Rhodes - Keyboards
 * Warren Cuccurullo - Guitar
 * Andy Taylor - Guitar
 * Nile Rodgers - Guitar
 * Steve Ferrone - Drums
 * The Borneo Horns - Horns
 * Brenda White-King - Backing vocals
 * Curtis King Jr. - Backing vocals
 * Cindy Mizelle - Backing vocals
 * Tessa Niles - Backing vocals

Credits
Notes:
 * Producer - Nile Rodgers, Duran Duran
 * Written by John Taylor, Nick Rhodes, Simon Le Bon
 * Remix - Justin Strauss, Murray Elias (tracks: A1, C1), Curtis/Mantronik (tracks: A2, C2), Daniel Abraham (track: A3)
 * Remix (collaged by) - Tuta Aquino (track: C3)
 * Edited by José "Chep" Nuñez (tracks: A2, A3)
 * Engineer - Daniel Abraham (tracks: A1, C1)
 * Mastered by HW (Howie Weinberg)
 * Track C3 features mixes by Daniel Abraham, Justin Strauss, Curtis/Mantronik, Larry Levan, The Latin Rascals, Mark S. Berry, Murray Elias, Nile Rodgers
 * Track C3 features Edits by José "Chep" Nuñez, The Hit Squad, The Latin Rascals, Omar Santana, Tuta Aquino
 * Promo stamped.