Claude says:alt-J's third album was built in London with producer Charlie Andrew, mixing songs written fresh in the studio with tracks dating back to their Leeds days — six of the eight feature the London Metropolitan Orchestra. Known for guest turns from Ellie Rowsell and Marika Hackman, plus a reworked "House of the Rising Sun," it landed a Mercury Prize nomination. You gave it a spin the month it dropped, then one stray play years later — "Deadcrush" is the only track that stuck.