SEGA is going soundtrack re-release crazy in Japan. They already announced both Sonic Adventure soundtracks and also Sonic Heroes’ soundtrack getting a re-release. Now Sonic CD gets its time to shine, only this is not technically a ‘re-release’.
According to TSS, this is the first official release for the Sonic CD. The soundtrack is coming out November 23rd for ¥2400 (about £21 / $32).
You can pre-order it here.