Tiny Desk Intimate concerts, recorded live at the desk of All Songs Considered host Bob Boilen.

The Haden Triplets perform a Tiny Desk Concert in February 2014. Jim Tuttle/NPR hide caption

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The Haden Triplets

Separately, Petra, Rachel and Tanya Haden have worked on vastly different musical projects. But when they come together to cover classic country music, the result is a treat and a trip in time.

Joseph Calleja performed a Tiny Desk Concert November 26. Abbey Oldham/Abbey Oldham/NPR hide caption

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Joseph Calleja

He's a young tenor with an old-school style and all the world's top opera houses want him. Calleja's expressive shading and dynamic control hearken back to an earlier era — and he's funny.

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Diane Cluck

Watching Cluck perform jams the senses. It's almost easier to imagine some tiny spirit in her chest is controlling the action, turning a pitch wheel with one hand and a tone knob with the other.

Jake Bugg performs at a Tiny Desk Concert in February 2014. Jim Tuttle/NPR hide caption

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Jake Bugg

Hear four songs by the 20-year-old English singer-songwriter, whose second album was produced by superproducer Rick Rubin, and whose third is on the way.

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Lowland Hum

It's hard to convey the sound of two people in love, but Lowland Hum does that effortlessly. The married couple's music is mostly unadorned and pure, with considerable attention to detail.

Asaf Avidan performs at a Tiny Desk Concert in February 2014. Jim Tuttle/NPR hide caption

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Asaf Avidan

A well-known Israeli singer, formerly with a folkish rock band called Asaf Avidan & The Mojos, Avidan has a new record and no U.S. record label to put it out. But he's on a solo tour that's stunning.

Brass Bed performs a Tiny Desk Concert in January 2014. Jim Tuttle/NPR/NPR hide caption

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Brass Bed

The four guys in the Louisiana band buck a long streak of bad luck on the road and make it to the NPR Music offices for a memorable performance.

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Sofia Rei

For about 20 minutes one sunny afternoon, the NPR Music offices were converted into a small Latin American folk club, where Rei and her band treated us to stellar musicianship and genre-bending music.

Cate Le Bon performs a Tiny Desk Concert in January 2014. Meredith Rizzo/Meredith Rizzo/NPR hide caption

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Cate Le Bon

The Welsh singer's set conveys loneliness and doubt with just two guitars and an inviting whisper.

Suzanne Vega performs at a Tiny Desk concert in January 2014. Meredith Rizzo/Meredith Rizzo/NPR hide caption

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Suzanne Vega

Performing at the NPR Music offices, the inventive folk-music veteran bookends a four-song set with her hits "Luka" and "Tom's Diner." But she also plays two terrific new songs, from album called Tales From the Realm of the Queen of Pentacles, that sound as sharp as anything she's done.

Fanfare Ciocarlia performs at a Tiny Desk Concert in January 2014. Jim Tuttle/Jim Tuttle/NPR hide caption

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Fanfare Ciocarlia

From wedding songs to American rock 'n' roll to the occasional James Bond theme, the joyous Balkan brass band plays at a pace that would make the Ramones burst into a sweat.

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Pixies

This three-song set features a 2014 tune called "Greens and Blues," a song yet to make it onto a Pixies release called "Silver Snail," and 1989's "Monkey Gone to Heaven," which melted hearts and seared minds with a new memory from a time long past.

Angel Olsen

Without her backing band, the expressive, powerful singer previews songs from her new album, Burn Your Fire for No Witness. Watch her and you'll see calm in her eyes; listen to her and you'll sense torment in her heart.

Afro Blue performs a Tiny Desk Concert on Nov. 11, 2013. Abbey Oldham/NPR hide caption

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Afro Blue

Playful and unassuming, the nine members of Afro Blue seem like average college students. But don't let that fool you: They sing as one refined and powerful voice, perfectly blended and mature.