Alt-J were formed in Leeds in 2007. Their debut album "An Awesome Wave" was released in 2012 and won the British Mercury Prize in the same year. Their second album, "This Is All Yours," was released in 2014 and reached number one in the UK charts and number four in the U.S. Album number three, "Relaxer," came in 2017 and landed at number six and number 14 in the U.S. charts.