Tracklist
| A | Crystal Skull | 3:27 |
| B | Capillarian Crest | 4:25 |
Notes
Test pressing for this release. Limited to 6 copies (unconfirmed).Barcode and Other Identifiers
- Matrix / Runout (Side A Etchings): RR6776-1- RELAPSE RECORDS SINGLES SERIES #063 A 6606201/A
- Matrix / Runout (Side B Etchings): RR6776-1- RELAPSE RECORDS SINGLES SERIES #063 B 6606202/A
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| RR 6776-1 | Mastodon | Crystal Skull (7", Single, Ltd, Cle) | Relapse Records | RR 6776-1 | US | 2006 |
| RR 6776-1 | Mastodon | Crystal Skull (7", Single, Ltd) | Relapse Records | RR 6776-1 | US | 2006 |
