Katy Perry live at London's O2 Arena!

Katy Perry opens the concert with a video and proceeds into into Teenage Dream.

Justin Bieber Drum Solo at David Letterman!

Say what you will about Justin, the boy can play them skins!

Stewart Copeland - Drum Solo - David Letterman 8-24-11!

HD 720P RECORDING (NOT A VIDEO OF A TV) Stewart Copeland - Drum Solo (2nd Week) - David Latterman 8-24-11...As Seen On ©CBS.

Neil Peart Drum Solo - Letterman, June 9, 2011!

On June 9, 2011, Neil Peart of Rush concluded Drum Solo Week on "The Late Show with David Letterman," culminating into the first time a member has been on the late night scene since 2008. Enjoy the best drummer of his craft wow the audience with an abridged solo from Rush's "Time Machine Tour."