The Everyone Orchestra, a improvisational group of constantly rotating members led by multi-instrumentalist and conductor Matt Butler, has released more dates for their spring tour.

The tour will see the collective play three March shows in California—with guests Kris Meyers and Joel Cummins (Umphrey’s McGee), Jamie Kime and Ben Thomas (Zappa Plays Zappa), Kai Eckhardt (John McLaughlin Trio/Garaj Mahal) and more.

Joining the fold beginning April 23 in Virginia is Drew Emmitt (Leftover Salmon), Jason Hann (String Cheese Incident), Andrew Altman (Railroad Earth), Cris Jacobs (The Bridge) and Jesse Harper and Jay Starling (Love Canon).

Everyone Orchestra’s lineup in May will feature Vernon Reid (Living Colour), Aron Magner (Disco Biscuits), Robert Mercurio (Galactic), Durga McBroom (Pink Floyd), Natalie Cressman (Trey Anastasio Band), Ivan Jackson (Mighty High Brass Band) and Todd Stoops (Kung Fu).

The tour will round out with an appearance at Electric Forest Festival in Rothbury Michigan in June. The festival lineup is currently pending. See the full schedule below.

Everyone Orchestra Tour Dates:

March 26 Napa, CA—Napa City Winery
March 27 Grass Valley, CA—Grass Valley Center For The Arts
March 28 San Francisco, CA—Great American Music Hall
April 23 Leesburg, VA—Tally Ho Theatre
April 24 Washington, DC—Gypsy Sally’s
April 25 Baltimore, MD—8 × 10
April 26 Stroudsburg, PA—Sherman Theatre
May 8 Brooklyn, NY—Brooklyn Bowl
May 9 Ardmore, PA—Ardmore Music Hall
May 10 Ridgefield, CT—Ridgefield Playhouse
June 26-27 Rothbury, MI—Electric Forest