I'm maintaining a list of music sites on the forum of a gaming site in Norway in an effort to show people how much fantastic music exists in the scene, so I thought I'd make an English version here and maybe get some additional links, comments and corrections :-)
Internet radios
- SLAY Radio - Remixes of c64 tracks
- SceneSat - Demoscene Radio
- Demovibes Radio (old Nectarine) - Demoscene Radio
- Lost Treasure France - Features all kinds of game music from Tetris to Fallout 3
- Kohina - Orginal music from c64, amiga, atari, msx, etc.
- CGM UKscene - Old and new music from c64, amiga, atari, etc.
- BitJam - Demoscene music (radio, podcast and download)
- Radio 6581 - C64 remixes, orginal SIDs and live shows
Podcasts / Compilation Discs
- C64 Takeaway - Podcast with remixes and orginal SIDs. Co-hosted by known artists in the remix scene.
- BitJam - BitJam's podcast
- Demovibes - A compilation of the finest demo music on several discs
Sites with integrated players
- Plopbox - A database with an integrated module player. (sid/mod/s3m/xm/ym/ahx/fc)
- Demoscene TV - "Youtube" for demos
- Dos Spirit Retro Player - Tracks from old DOS-games and even some remixes.
- Soundcloud - Amiga tracks
Download sites
- Back 2 the Roots - Game music (mod/mp3/etc)
- Remix.Kwed.Org - Remixes of C64 music and original SIDs (mp3/sid)
- AmigaRemix - Remixes of game music for the Amiga (mp3)
- OCRemix - Rated remixes of game music (mp3)
- VGMix - Remixes of game music (mp3)
- SOAC - HVSC rendered to mp3 from each version of the SID-chip 6581-r2, 6581-r4 and 8580 (mp3)
- HVSC - The most complete collection of SID tunes (sid)
- Modarchive - The most complete collection of modules (mod/s3m/xm/it/etc)
- Video Game Soundtracks - A huge collection of game soundtracks (mp3)
- The SID Recordings Archive - SIDs rendered to MP3 at 256kbps using HardSID (mp3)
- Amiga Music Preservation - Almost 100.000 amiga modules with a database of 10.000++ composers (mod)
- Project 2612 - A big music archive for Sega Genesis/Mega Drive. Also has a winamp plugin for playback. (vgz)
- Atari FTP Archive - Atari music and some video captures and misc other platforms, HVSC, etc. (mp3/sid)
- Chiptune - Amiga Workbench implemented in JS/CSS. Also has a module archive. (mod)
- C64 Jukebox - Top list of most played sids from hardsid with links to the SIDs. (sid)
- ExoticA - Includes modland, hsvc, and of course the Exotica and UnExotica collections, plus ogg (expirimental) download of the tunes in streaming format (lha,ogg)
- BitJam - Big archive of demo music and remixes (mp3)
- Scene.org - Huge collection of demo/gfx/music/video with fresh party releases. (all formats)