The first covers come from The War On Drugs, Courtney Barnett, Phosphorescent and Jenny Lewis (plus 4/5 of The National), The National themselves, plus a rather special version of "Black Muddy River" by the Grateful Dead's Bruce Hornsby and DeYarmond Edison, Bon Iver's Justin Vernon's "reunited first band including Phil and Brad Cook and Joe Westerlund of Megafaun."

The LP is curated by Aaron Dessner of The National, and co-produced with Bryce Dessner and Josh Kaufman. It's out 20 May on 4AD, and profits are being donated to Red Hot, an HIV/AIDs charity.

Other names on the collection include The Flaming Lips, Unknown Mortal Orchestra, The Tallest Man On Earth, Stephen Malkmus and The Jicks, Shura, This Is The Kit, Kurt Vile, Perfume Genius, Sharon Van Etten, Wilco, ANOHNI, Angel Olsen, Local Natives, Real Estate, Tim Hecker, The Walkmen, and Bill Callahan.

Check out today's covers below.

The War On Drugs - "Touch Of Grey"

Courtney Barnett - "New Speedway Boogie"

The National - "Morning Dew"

Phosphorescent, Jenny Lewis, and Friends - "Sugaree"

Bruce Hornsby and DeYarmond Edison - "Black Muddy River"