GnollHack features music from the following composers:
| Composer | No. of Tracks | Origin | Website Link |
|---|---|---|---|
| Eric Matyas | 22 | In common use on the Internet | https://soundimage.org/ |
| Avalkis | 14 | Specifically composed for GnollHack | https://www.jukkaeronen.com/ |
| Yolanda Mott | 1 | Right to use was granted upon request | https://yolandamott.weebly.com/ |