Comedian/musician/mad genius Reggie Watts found himself sans equipment (seems to be going around) when he was being interviewed on Sirius XM radio, but that didn't slow him down one bit. He pulled out his iPhone 4, and using a looping app (possibly Everyday Looper, $5.99) he improvised a number that absolutely wowed host Ron Bennington and the rest of the folks in the studio. Be sure to listen for Bennington's final line.
Seeing this, you wonder: