The Planetarian Original Soundtrack, from the visual novel Planetarian: The Reverie of a Little Planet, was released on August 11, 2006, at Comiket 70 by Key Sounds Label bearing the catalog number KSLA-0025; it was later re-released on December 28, 2006. The soundtrack contains one disc totaling twelve songs composed, arranged, and produced by Magome Togoshi, and Shinji Orito; themes originally composed by Charles Crozat Converse and Kenji Miyazawa were remixed on the soundtrack.
The Planetarian Original Soundtrack, from the visual novel Planetarian: The Reverie of a Little Planet, was released on August 11, 2006, at Comiket 70 by Key Sounds Label with catalog number KSLA-0025; it was later re-released on December 28, 2006. The soundtrack includes one disc containing twelve songs composed, arranged, and produced by Magome Togoshi and Shinji Orito; themes originally created by Charles Crozat Converse and Kenji Miyazawa were remixed in the soundtrack.