[Watch] Metric Perform "Youth Without Youth" and "Breathing Underwater" on Kimmel

On last night's episode of Jimmy Kimmel Live!, Canadian indie rock outfit Metric stopped by to perform two tracks off of their brand new fifth LP Synthetica, which was released just last week. During the show, the band performed both "Youth Without Youth," the album's lead single, and "Breathing Underwater." Check out the replays after the jump.