Ongaku Music Soundtrack for all levels in the game:

01_OngakuOST_Main Theme_mp3
02_OngakuOST_Harmony's Castle_mp3
03_OngakuOST_Old Tree_mp3
04_OngakuOST_Fountain Courtyard_mp3
05_OngakuOST_Ice Cave_mp3
06_OngakuOST_Sandy Desert_mp3
07_OngakuOST_Open Ocean_mp3
08_OngakuOST_Mount Mojo_mp3
09_OngakuOST_Moonlight Forest_mp3
10_OngakuOST_Discord Castle_mp3
11_OngakuOST_Discord ThroneRoom_mp3
12_OngakuOST_Valdahex_mp3