The 15 artists making up the announcement are part of the first of up to eight artist announcements for next years festival.
Leading the lineup in a festival exclusive performance are The National. They will be joined by the likes of City and Colour, reggae legends UB40 featuring Ali Campbell, Astro and Mickey Virtue, blues rock maestro Joe Bonamassa and Grammy award-winning group Tedeschi Trucks Band.
Other artists include The Cat Empire, Lukas Nelson & Promise of the Real, The Word, Rhiannon Giddens, Janiva Magness, St Paul & The Broken Bones, Allen Stone, The Selecter, Shakey Graves and Songhoy Blues.
