Gravity Records started out just like any other cult indie label – see: SST, Dischord – of the ‘80s-early ‘90s, when a pragmatic lead member (drummer Matt Anderson) of the most relevant band (Heroin) in a scene (1991 San Diego) wanted to release just one single. They would, as tradition goes, ultimately earn more notoriety and credibility than money, but it provided a rich catalogue of scattered splits and short long-players over which punk nerds and indie swots of the future can pore over and explore a periodic cul de sac. Fewer labels inbred more effectively and better developed a…