Uncut reports: "Tom Waits debuted a new song, “One Last Look“, on The Late Show With David Letterman. The show took place on Thursday, May 14, 2015. It was Waits 10th and final appearance on The Late Night With David Letterman: the host is due to leave the show on Wednesday, May 20, to be replaced by Stephen Colbert. Waits first appeared with Letterman on December 21, 1983. Commenting on Thursday night Waits said, “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”." Click through for the clip.