The xx brought the "Crystalised" to Kimmel, keeping their whispered cool on his Bud Light-sponsored stage. The logos behind them are cheesy, but the band do look ...

They may only have a couple of official songs and a handful of demos to their name now, but The xx is a band to watch. Both casually cool and... The xx: 'Crystalised' They may only have a couple of ...

Here's a pretty killer live version of the xx's standout track "Crystalised", from their American TV debut on "Last Call With Carson Daly" (forgot that show was still on), after a brief biographical ...