This paid sample pack provides 27 live clips and 158 presets for retro computers and 8-bit machines. This sample pack can be used with Ableton Live when creating 8-bit projects.
Websites like this one can be used to explore 8-bit music that was made on the Commodore 64.
"The High Voltage SID Collection (HVSC) is a freeware hobby project which organises Commodore 64 music (also known as SID music) into an archive for both musicians and fans alike. The work on the collection is done completely in the Team and contributors' spare time and is proudly one of the largest and most accurate computer music collections known."