Lotta Sea LiceAs heirs apparent to the throne of '90s alt rock, Kurt Vile and Courtney Barnett appear to be an ideal match comrades in slacktivism united by a shrug and a smirk. If neither singer songwriter sounds precisely like the other, they're good complements, both cherishing laconic melodies, loping rhythms, and a loads of guitar. All of these elements are in play on Lotta Sea Lice, a rambling nine song affair that finds the duo singing each other's songs,