Appears on releases
| # | Title | Length | Track Artist | Release Title | Release Artist | Release Group Type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 2.21 | 血塗られた鎮魂歌 | 1:43 | 筒井香織 | ひぐらしのなく頃に祭 オリジナルサウンドトラック | 5zizz | Album + Soundtrack |
| Five Records (music label of Japanese company 5pb., renamed to 5pb. Records in late 2007) | FPBD-0004 |