Work began over four years ago for the 59-track, nearly-six hour collection.

The set is due to release May 20, 2016 via 4AD.

Album artwork and full track listing is below.

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Credit: Shervin Lainez

Thunder

(Vol.1)

01.

Touch of Grey The War on Drugs

02.

Sugaree Phosphorescent, Jenny Lewis & Friends

03.

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Candyman Jim James & Friends

04.

Cassidy Moses Sumney, Jenny Lewis & Friends

05.

Black Muddy River Bruce Hornsby and DeYarmond Edison

06.

Loser Ed Droste, Binki Shapiro & Friends

07.

Peggy-O The National

08.

Box of Rain Kurt Vile and the Violators (featuring J Mascis)

09.

Rubin and Cherise Bonnie Prince Billy & Friends

10.

To Lay Me Down Perfume Genius, Sharon Van Etten & Friends

11.

New Speedway Boogie Courtney Barnett

12.

Friend of the Devil Mumford & Sons

13.

Uncle Johns Band Lucius

14.

Me and My Uncle The Lone Bellow & Friends

15.

Mountains of the Moon Lee Ranaldo, Lisa Hannigan & Friends

16.

Black Peter Anohni and yMusic

17.

Garcia Counterpoint Bryce Dessner

18.

Attics of My Life Angel Olsen

20.

St. Stephen (live) Wilco with Bob Weir

Lightning

(Vol.

If I Had the World to Give Bonnie Prince Billy

02.

Standing on the Moon Phosphorescent & Friends

03.

Cumberland Blues Charles Bradley and Menahan Street Band

04.

Ship of Fools The Tallest Man on Earth & Friends

05.

Bird Song Bonnie Prince Billy & Friends

06.

Morning Dew The National

07.

Truckin Marijuana Deathsquads

08.

Dark Star Cass McCombs, Joe Russo & Friends

09.

Nightfall of Diamonds Nightfall of Diamonds

10.

Transitive Refraction Axis for John Oswald Tim Hecker

11.

Going Down The Road Feelin Bad Lucinda Williams & Friends

12.

Playing in the Band Tunde Adebimpe, Lee Ranaldo & Friends

13.

Stella Blue Local Natives

14.

Eyes of the World Tal National

15.

Help on the Way Bela Fleck

16.

Franklins Tower Orchestra Baobab

17.

Till the Morning Comes Luluc with Xylouris White

18.

Ripple The Walkmen

19.

Brokedown Palace Richard Reed Parry with Caroline Shaw and Little Scream (featuring

Garth Hudson)

Sunshine

(Vol.

Here Comes Sunshine Real Estate

02.

Shakedown Street Unknown Mortal Orchestra

03.

Brown-Eyed Women Hiss Golden Messenger

04.

Jack-A-Roe This Is the Kit

05.

High Time Daniel Rossen and Christopher Bear

06.

Dire Wolf The Lone Bellow & Friends

07.

Althea Winston Marshall, Kodiak Blue and Shura

08.

Clementine Jam Orchestra Baobab

09.

China Cat Sunflower -> I Know You Rider Stephen Malkmus and the Jicks

10.

Easy Wind Bill Callahan

11.

Wharf Rat Ira Kaplan & Friends

12.

Estimated Prophet The Rileys

13.

Drums -> Space Man Forever, So Percussion and Oneida

14.

Cream Puff War Fucked Up

15.

Dark Star The Flaming Lips

16.

Whats Become of the Baby s t a r g a z e

17.

King Solomons Marbles Vijay Iyer

18.

Rosemary Mina Tindle & Friends

19.

And We Bid You Goodnight Sam Amidon

20.

I Know You Rider (live) The National with Bob Weir