Costello substituted for an ailing David Letterman as the host of Late Show with David Letterman, making him the only musical guest of the show to have served as guest host
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Costello substituted for an ailing David Letterman as the host of Late Show with David Letterman, making him the only musical guest of the show to have served as guest host
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-22 from Wikipedia. The archived copy is preserved so this citation survives link rot.