Said Waits on his website: “I don't know when I will see Dave again. I guess from now on we’ll have to settle for bumping into each other at pilates."
Over David Letterman's lengthy run as Late Show host, Tom Waits made a whopping 10 guest appearances. Appropriately enough, the old growler stopped by the show one last time as part of Letterman's farewell ride into the sunset.
Letterman and guest George Clooney watched Waits perform a new song called "Take One Last Look." Check it out below: