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Calvert comes out to clean his glasses on Dave's jacket; Michael McDonald (of Steely Dan and Doobie Brothers fame) sits in; the show closes with the CBS Orchestra playing the theme from Dave's 1980 morning show, which was written by McDonald.
First Air Date : Aug 30, 1993
Last Air date : May 20, 2015
Episode : 4252 Episode
Season : 22 Season
Runtime: 63:60 minutes
Studio: CBS
Country: United States of America
Crew: David Letterman (Writer)