Last year, David Letterman announced he would retire from his position as the host of the Late Show, marking the end of his more than 30-year career. Now, we have learned that his final show will air on May 20, as well as the musical guests who will perform during the episodes leading up to his departure.

The list includes Mumford and Sons, Iron and Wine and Ben Bridwell, the Avett Brothers and Brandi Carlile, Emmylou Harris, Elvis Costello, Tom Waits, Dave Matthews Band, Norah Jones, Ralph Stanley and Amos Lee, Asleep at the Wheel, Chris Stapleton and John Mayer. The only confirmed dates so far are Iron and Wine and Ben Bridwell this Wednesday (April 15) and John Mayer on Friday (April 17).

Letterman also revealed his final guest interviews as including Tom Hanks, Oprah Winfrey and Tina Fey -- among others. It’s yet to be confirmed whether or not Elvis Costello and Tom Waits will appear as both guests and performers.

After Letterman’s retirement, Stephen Colbert will take over host duties with his first episode scheduled for Sept. 8. If The Colbert Report is any indication, we can expect Colbert to maintain Letterman’s legacy with a consistently excellent lineup of artists.

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