Bon Iver’s Justin Vernon and James Blake have teamed up under the stage name Fall Creek Boys Choir for a new song included on a promo cassette for Vernon’s annual Eaux Claires Music & Arts Festival.

The cassette tape was sent out to the festival’s early-bird ticket holders, and its track list features many of the acts that will appear at this year’s installment in Wisconsin. The National's Aaron and Bryce Dessner; Arcade Fire’s Richard Reed Parry and Sarah Neufeld; My Brightest Diamond; William Tyler; and Shabazz Palaces all contribute songs to the cassette tape, and therefore, will appear at the second-annual Eaux Claires festival in August. Vernon has two other songs on the tape: one from his band Bon Iver and another under his own name with accompaniment from S. Carey. See a photo of the track list at the bottom of the page. Consequence of Sound reports the tape spans B-sides, demos and home recordings from the festival acts.

Vernon and Blake draw their new stage moniker from their 2011 song of the same name (listen below). Vernon and Aaron Dessner co-foudned Eaux Claires festival last year. Its second run will take place Aug. 12-13 in Eau Claire, Wis.

Bon Iver dropped their most recent, self-titled album in 2011. Blake’s third full-length Radio Silence has been anticipated for quite some time now, and it reportedly features collaborations with Vernon and Kanye West.

James Blake and Bon Iver, "Fall Creek Boys Choir"

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