From This Might Be A Wiki

They Might Be Giants
— with Fred Armisen, John Wesley Harding, Mike Birbiglia, Jim Gaffigan, Sarah Vowell and Eugene Mirman opening —
Peter Jay Sharp Theatre in New York, NY
December 8, 2011 at 8:00 PM

Fan Recaps and Comments:

The Johns and Marty appeared as the final guests at this benefit for 826NYC. The event was hosted by Sarah Vowell and Eugene Mirman and also featured comedy by Mike Birbiglia and surprise guest, Jim Gaffigan, as well as musical performances by John Wesley Harding and Fred Armisen.