Wilco’s Solid Sound Festival is continuing to reveal its lineup today via Facebook and Twitter. As of now, Medeski, Martin and Wood with special guests, Os Mutantes, Nels Cline and Julian Lage, Lucius, Glenn Kotche and Darin Gray, Mikael Jorgenson and Greg O’Keefe, Mark Mulachy and Low have been announced. As previously reported, they will be joining Neko Case, Foxygen, Border Music with Marc Ribot and Dave Hidalgo and more at the event. More artists will be announced throughout the day, in alphabetical order, via the festival’s social media pages. This year’s Solid Sound Festival will take place June 21-23 at MASS MoCA in North Adams, MA. Tickets to the event can be purchased here.