This is a collection of music made with old computers with 8 bit soundcards one can freely and legally download on several websites.

Albums included:
Animal Style - Open Air
minusbaby - Saudade for Beginners
Paza - The Slaphappy Bee III EP
Stu - GreateST HITs
Firebrand Boy - Songs for Cake
Mr. Spastic - Uber l33t n00b br34k5
Random - Bad Joke EP
Trash80 - Icarus
Gijs Gieskes - Molen
Nullsleep - Electric Heart Strike
RushJet1 - Out There
Xinon - Realization
Kplecraft - Multi-Boxer
Nullsleep - Unconditional Acceleration
Sabrepulse - Realization
Yerzmyey - FREAKuencies

Source:
http://www.8bitpeoples.com/
http://www.micromusic.net/