Arcade Fire Join LCD Soundsystem Onstage For Farewell Show at MSG

9:28 PM PDT 4/2/2011 by THR staff

The two indie super groups pair up for LCD's high-energy "North American Scum."

Members of Grammy-winning indie rock band the Arcade Fire joined LCD Soundsystem on stage at Madison Square Garden on Saturday night, handling background vocals on the song “North American Scum,” off of LCD Soundsystem's 2007 album Sound of Silver.