Sonic Gems Collection music that has been extended to play for at least 15.5 minutes.

Composer(s): Naofumi Hataya, Tatsuyuki Maeda, Takenobu Mitsuyoshi, Tomonori Sawada, Takeshi Isozaki
Arranger(s): Naofumi Hataya, Tatsuyuki Maeda, Takenobu Mitsuyoshi, Tomonori Sawada, Takeshi Isozaki

Developer(s): Sonic Team
Publisher(s): Sega

Full Playlist:    • Sonic Compilations Music Extended