Mayer Hawthorne has appeared in the Late Show with David Letterman as a musical guest .
Live from Daryl 's House Episode 43   ? ep_id=58Mayer Hawthorne and The County were musical guests on the Conan O'Brien Show on October 17 , 2011 , and the David Letterman Show on October 25 , 2011 .
Mayer Hawthorne