What happens when you get a bunch of math rock music nerds together in a Providence, RI studio? They're gonna battle it out. Battles is back with their second album, Gloss Drop. They've lost Tyondai Braxton to solo pursuits, but they've gained an odd roster of guest vocalists like Kazu Makino and Gary Numan, and Chilean-born DJ Matias Aguayo. Matias lends some buena onda on "Ice Cream." Escucha al tiro!