This much is certain about British indie pop quartet Alt-J: When answering questions for a journalist from the road and one of the band members is asleep and unable to defend himself, the remaining three will tease him mercilessly. The unlucky recipient currently is guitarist-bassist Gwil Sainsbury, whose hobbies are listed for him by keyboardist Gus Unger-Hamilton: “He’s really into smoking weed. Don’t you write that! And he’s not really (smart), but he chooses not to let that hold him back.” Quirky bunch, these Leeds University graduates. The band, including singer-guitarist Joe Newman and drummer Thom Green, started making music [...]