Bob Boilen

Today, The Band's Robbie Robertson is going to take us back 50 years, to a basement just outside of Woodstock, New York and the formation of a sound and an album that all these years later still shapes the musical landscape.

It's fitting for Haley Heynderickx to be singing at the Tiny Desk. The Portland singer entered our Tiny Desk Contest three years in a row with strong, though often frail songs. And she'd be among the first to tell you how entering that Tiny Desk Contest changed her life.

You can hear the birds chirping and the traffic sounds outside the window of this makeshift studio window. The Brooklyn apartment is where Cautious Clay and his friends, guitarist Chris Kyle and drummer Francesco Alessi, chose to record a stripped-down version of their new song "Call Me."

For all of the bigger names at this year's Newport Folk Festival, it was this under-the-radar quartet from the Boston area that I was most eager to see. Darlingside kicked off the weekend with extraordinary harmonies and a dystopic vision embraced on Extralife, including mushroom clouds, acetylene burns and a future forever trapped in a video game.

The Newport Folk Festival's nearly 60-year history is permeated with gospel music; though Moses Sumney uses loop pedals and an electric guitar to animate his work, his voice flows deeply in tune with a spirit and conviction that's recognizably tied to that tradition.

There is a moment, near the top of this Tiny Desk concert — when three voices gather 'round a single microphone to deliver the chorus of "That Ol' Train" — that is so pure and beautiful it made my eyes well up with tears when we filmed it. Not since bluegrass legend Ralph Stanley played the Tiny Desk in 2009 have I felt vocals resonate so deeply.

This Newport Folk Festival set from Lucius, their fifth, is maybe most poignant yet.

Accompanied by members of yMusic, students from the Berklee College of Music on strings and J. Blynn, along with Lucius regulars Jess Wolfe, Holly Laessig, Dan Molad, and Peter Lalish. The group also incorporated choreography into the set, with the dancers known as The Seaweed Sisters.

Flasher are a rock trio where the crafted details of its songs aren't buried by a clear love of noise. But for its visit to the Tiny Desk, this young Washington trio set aside the distortion and worked up a semi-acoustic set of three songs — taken from its debut album, Constant Image, released on Domino in early Junewith vocals made central; voices sometimes in unison, sometimes swapping leads, adding a shifting point of view to songs that, on record, give equal footing to a precise noise.

It's as if the pianos were haunted. Somewhere about midway through this Tiny Desk, as Icelandic composer Ólafur Arnalds performed on his electronic keyboard, two upright pianos were playing lilting melodies behind him, absent any performer at the keys. And yet these "ghosts," along with Ólafur's band of strings and percussion, put together some of the most beautiful music I've heard at the Tiny Desk, made all the more mysterious through its presentation.

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