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Andrew W.K.

The fearless party-rocker stands in NPR Music's offices and performs four songs alone at the piano.

Zee Avi. Frannie Kelley/NPR hide caption

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Zee Avi

Avi sings three hushed lullabies, including her signature cover of Morrissey's "First of the Gang."

Bowerbirds' captivating set of handcrafted songs has a distinctively sparse, harmonious sound. Bob Boilen/NPR hide caption

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Bowerbirds' handcrafted songs creak and swell like wooden floorboards in an old house.

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The rapper's set exuded shimmery grace while incorporating the sounds of soul, pop and reggae.

Frannie Kelley/NPR

Sondre Lerche

The Norwegian-born singer-songwriter performs three liltingly sweet songs in the NPR Music offices.

Coburn Dukehart

Ralph Stanley

See and hear the legendary bluegrass and old-time gospel singer give an a cappella performance.

Maggie Starbard

Rodrigo y Gabriela

The duo's new album pays tribute to the pair's heroes, such as Jimi Hendrix and Carlos Santana.

John Vanderslice

Vanderslice shares acoustic versions of songs from his most recent album, Romanian Names.

Katie Hayes/NPR

Raphael Saadiq

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