For the last few days I've been looking through most of the Sega/Sonic music releases from the 90's, and managed to find some rare material I've never heard about in the internet. I don't think they're exactly "undocumented" or "discoveries", but discussion on them is certainly scarce, and it's an interesting topic nonetheless. In this thread you can share Sonic music you find particularly obscure/rare/overlooked. 소닉 2 ~ MIDNIGHT DANCE (Casino Night): This track was released in 1993, as part of an album released by GameWorld, a Korean gaming magazine. Given that this album included an advert for the Sega CD, distributed by Samsung, I'd say this is an official release, but I'm not so sure. It's an arrangement of Casino Night by Sang-kyu Nam (남상규), and it's one of the best itterations of the song I've seen to this date. Sonic ~ You Can Do Anything - Remix From Little Planet: This one is a remix made by Masafumi Ogata, one of the original composers that worked on Sonic CD. It was originally released on the album Radio DC from 1999. Most of the tracks in this album are structured in such way as to emulate a fictional Dreamcast radio station, starring Katsuya Kobayachi as the DJ. One interesting note, this song also incorporates Tidal Tempest ~ Present into the mix! Quite an interesting fusion. After the Adventure by Jun Senoue: This next one is from the same album as the previous song, but you've probably heard it before, as it was included in later compilations such as The Works (Vol. 1) from Jun, and the Sonic Café 25th Selection released on Japan. It is a chill remix of Welcome to Station Square and It Doesn't Matter from Sonic Adventure and Dreams Dreams from NiGHTS... Into Dreams. I'm sure there's a lot more of rare gems out there, what are some of your favorite obscure Sonic songs?