David Letterman has hosted a bevy of impressive talent in his 2+ decades as television host of NBC’s The Late Show with David Letterman. Now that he is on the way out, a stacked lineup of musical guests has been announced for his final six weeks.

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Dave Matthews Band, Mumford and Sons, Tom Waits, Elvis Costello, Iron & Wine, Band of Horses’ Ben Bridwell, Emmylou Harris, Brandi Carlile, The Avett Brothers, Norah Jones, Amos Lee, and Ralph Stanley are among the musical guests who will make appearances in the coming weeks, according to the Hollywood Reporter. More guests are expected to be announced.

Letterman’s final broadcast will air on May 20th. He’ll be succeeded by Stephen Colbert of Comedy Central’s Colbert Report.

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