Sierra will be performing with Alison Krauss and Dan Tyminski as part of “Country Music: In Performance at the White House” – a PBS music special in the East Room of the White House. President and Mrs. Obama hosted the event on November 21, in celebration of Country music. Other performers include Lauren Alaina, The Band Perry, Dierks Bentley, Kris Kristofferson, Lyle Lovett, Darius Rucker and James Taylor. The sixty-minute television special, part of the Emmy Award-nominated PBS “In Performance at the White House” series, will premiere tonight, Wednesday, November 23 at 8 PM ET on PBS stations nationwide (check local listings).