These tunes were playing on Live 105 (KITS 105.3 radio, San Francisco) in 1991 in a 30-minute mix format. I have about 12 hours worth of mixes (tracklisting on my website) - these are just the tunes I couldn't identify.

http://discopotential.com/clips/clip02.06.mp3
http://discopotential.com/clips/clip03.02.mp3
http://discopotential.com/clips/clip03.07.mp3
http://discopotential.com/clips/clip07.02.mp3
http://discopotential.com/clips/clip11.03a.mp3
http://discopotential.com/clips/clip11.06a.mp3
http://discopotential.com/clips/clip11.06b.mp3
http://discopotential.com/clips/clip11.08.mp3
http://discopotential.com/clips/clip11.09.mp3
http://discopotential.com/clips/clip12.03.mp3
http://discopotential.com/clips/clip12.07.mp3
http://discopotential.com/clips/clip12.10.mp3
http://discopotential.com/clips/clip12.11.mp3
http://discopotential.com/clips/clip13.02.mp3
http://discopotential.com/clips/clip14.08.mp3

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Evan Salomon
www.discopotential.com