Some stuff I worked on. The first 5 tracks of each are FM-synth based. The remaining tracks aren't chip, so I didn't post them here.
http://rydia.net/udder/mods/phantasm/01_fm2.mp3
http://rydia.net/udder/mods/phantasm/02_brush.mp3
http://rydia.net/udder/mods/phantasm/03_incite.mp3
http://rydia.net/udder/mods/phantasm/04_zorgh.mp3
http://rydia.net/udder/mods/phantasm/05_fm1.mp3
http://rydia.net/udder/mods/rail/01_bat.mp3
http://rydia.net/udder/mods/rail/02_xert.mp3
http://rydia.net/udder/mods/rail/03_jec.mp3
http://rydia.net/udder/mods/rail/04_he.mp3
http://rydia.net/udder/mods/rail/05_silent.mp3