The jam went deep into the night Saturday.
Warren Haynes joins the Doobie Brothers, plus tunes by Dawes, Blackberry Smoke, Bruce Hornsby and more.
More acts will be announced in coming weeks.
Dawes and Conor Oberst play The Orange Peel on Friday.
We’ve got two tickets to see Dawes Wednesday night at the Peel. To win, just be the first one to tell us, in the comments section of this post, which sometime member of Wilco is ...