Cosine - 8 Bit Division
Computers, Systems, Commodore, Commodore 64 - Cosine - 8 Bit Division. Creators of the demos Contraflow and Neoteric.
http://cosine.org.uk/
Cascade C64/Amiga Homepage
Computers, Systems, Commodore, Commodore 64 - Cascade C64/Amiga. Cascade group's demos, tools and games for the C64 and Amiga.
https://www.cascade64.de/
Forever Crossplatform 8-bit Party - C64 section
Computers, Systems, Commodore, Commodore 64 - Forever Crossplatform 8-bit Party - C64 section. International crossplatform 8-bit party for ZX-Spectrum, Atari and Commodore64 users, held every second week in March, since 2000, in Trencin/Slovakia.
http://www.forever.studiostyle.sk
Sidmuzik
SID chip recordings in Ogg Vorbis format
http://sidmuzik.brianstagg.co.uk/