Bon Iver posted a 22-second clip of music to its social media feeds.
Justin Vernon announced a handful of concerts in October.
Don't expect to hear "Skinny Love" at this Wisconsin concert.
Fans of Tame Impala and Bon Iver received a series of nasty surprises courtesy of the acts' Twitter feeds over the weekend, thanks to the efforts of some hackers.
Blake only makes a brief appearance in the video for the Bon Iver collaboration, 'I Need a Forest Fire,' from Blake's surprise album, 'The Colour in Anything.'
Bon Iver's Justin Vernon features on a never-before-heard Kanye track dubbed "Fall Out of Heaven."
Staples recruited a long list of recognizable songwriters -- including Bon Iver's Justin Vernon and M. Ward -- for her upcoming album 'Livin' on a High Note.'
"I’ve been working on music," Vernon said. "I’m not sure exactly... what sharing it will look like or feel like or when."
The song, which dates back to 2009, appears on a promo cassette for Justin Vernon's annual Eaux Claires music festival.
Vernon, Blake, members of the National and Arcade fire and more contribute songs to a promo tape teasing Eaux Claires' 2016 lineup.