Erin McKeown's Manifestra comes out Jan. 15, 2013. Merri Cyr/Courtesy of the artist hide caption

itoggle caption Merri Cyr/Courtesy of the artist

The Chipmunks, left to right: Simon, Theodore, Alvin. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Lyle Lovett performs a Tiny Desk Concert on Nov. 13, 2012. Ryan Smith/NPR hide caption

itoggle caption Ryan Smith/NPR

Anais Mitchell performs a Tiny Desk Concert on Oct. 23, 2012. Lauren Rock/NPR hide caption

itoggle caption Lauren Rock/NPR

Martha Wainwright performs a Tiny Desk Concert on Oct. 15, 2012. Ryan Smith/Ryan Smith/NPR hide caption

itoggle caption Ryan Smith/Ryan Smith/NPR

Tracey Thorn's album Tinsel and Lights was released Oct. 30. Edward Bishop/Courtesy of the artist hide caption

itoggle caption Edward Bishop/Courtesy of the artist

Benjamin Gibbard performs a Tiny Desk Concert at the NPR Music offices on Nov. 8, 2012. Lauren Rock/NPR hide caption

itoggle caption Lauren Rock/NPR

Ra Ra Riot. Shervin Lainez/Courtesy of the artist hide caption

itoggle caption Shervin Lainez/Courtesy of the artist