Music from Mexico often surprises us these days, but singer, guitarist and songwriter José Carmen and drummer Claus Lafania (who hail from the towns of Metepec and Zinacantepec, respectively) create sounds that defy any categorization whatsoever. We chatted with The Copper Gamins at SXSW to learn about the sources of their inspiration – from Charlie Chaplin to roots rhythms tinged with garage rock blues to the folkloric field recordings of John Lomax.