Calista Flockhart, Isaac Hayes Dave announces the birth of Kathy Mavrikakis' daughter; George Clarke is now trapped in the boiler room with two prostitutes, and then declares himself a ""Volcano God""; Isaac Hayes conducts an orchestra performing the theme from Shaft. Details Casts Title Calista Flockhart, Isaac Hayes Genres Talk Comedy Release Date 2000-06-14 Episode Runtime 01 Hours 03 Minutes Season Number 7 Episode Number 159 Production Companies Worldwide Pants, CBS Entertainment Productions, CBS Productions, CBS Studios David Letterman Self - Host Paul Shaffer Self -Musical Director Alan Kalter Self - Announcer (voice)