Watch Arcade Fire's Win Butler Sing His Own Song at Karaoke

After leading Team Clippers to victory at the the NBA All-Star Celebrity Game on Friday, Arcade Fire frontman Win Butler surprised fans with an impromptu karaoke performance of the band's 2007 track "Intervention" at a bar in Los Angeles. Few things are as cringe-inducing as performing your own song at karaoke, and Butler seems noticeably uneasy, wandering…