Metric took to Jimmy Kimmel Live! last night to perform two cuts from Synthetica, "Youth Without Youth" and "Breathing Underwater." It's a little bit calmer than some of the other performances on Kimmel's stage this week, but it's not worse off for it. Watch the performances below. [videoembed size="full_width" alignment="center"][/videoembed] [videoembed size="full_width" alignment="center"][/videoembed] Synthetica is out now on Metric Music ...