Just found this on Youtube:

"Sun City" by Artists United Against Apartheid was the only one of those '80s fundraising/protest records that was worth a damn -- most likely because the song (written by Little Steven van Zandt) didn't suck.  It was a catchy rock/hip-hop fusion that was ahead of its time, and the excellent video (by Jonathan Demme with Godley & Creme) didn't hurt either.

(And did you know that the guy who developed Sun City in the middle of a black homeland in South Africa also went on to develop Mohegan Sun in Connecticut, and still gets 5% of its revenue?