Memorable backing tracks used in McDonald's commercials from around the time, in both electronic stereo and in their original mono.
LINKS:
http://web.archive.org/web/19970607184720/http://www.mcdonalds.com/a_fun/jingles/media/rock.au
http://web.archive.org/web/19970607184720/http://www.mcdonalds.com/a_fun/jingles/media/salsa.au