Katie Hayes/NPR

Raphael Saadiq

The Grammy-nominated R&B artist performed three acoustic interpretations of his soul-inspired tunes.

Coburn Dukehart/NPR

Telekinesis

Reduced to a duo for this charming session in the NPR Music offices, Telekinesis is all heart.

Dark Meat

Dark Meat has as many as 20 members. We fit as many as we could behind Bob Boilen's desk.

Coburn Dukehart/NPR

The Swell Season

Hear Glen Hansard and Marketa Irglova, stars of the movie Once, playing six new songs and an encore.

Sarah Siskind. Frannie Kelley/NPR hide caption

itoggle caption Frannie Kelley/NPR

Sarah Siskind

In this video shot at the NPR Music offices, Siskind showcases a voice that's both honeyed and raw.

Dave Douglas Brass Ecstacy performing a Tiny Desk Concert. Frannie Kelley/NPR hide caption

itoggle caption Frannie Kelley/NPR

Dave Douglas Brass Ecstasy

Or, the day a trumpet, trombone, French horn and tuba played us a soulful Rufus Wainwright cover.

Bill Callahan

Watch the artist formerly known as Smog play a three-song set that's almost eerily transfixing.

Julie Doiron

After a few restarts, the singer played a bare, stark, memorable solo set in the NPR Music offices.