Question: Angel Coma is a split album by Earth and another band formed by what Stephen O'Malley and what other core member?
Sentence (from "Sunn O)))"): Supported by a varying cast of collaborators, the band was formed by two core members: Stephen O'Malley (also of Khanate and Burning Witch) and Greg Anderson (of Goatsnake and Engine Kid).
Relevant evidence: Yes