Conversation so far:
When did Future Islands' Herring start making hip-hop music?
Future Islands' Samuel Herring had started making hip-hop music when he was 13 or 14.
When did Future Islands' drummer leave?
Future Islands' drummer Erick Murillo left in November 2007, after which the band relocated.

Question: What type of music did the band play?
Self-contained rewrite: What type of music did Future Islands play?