STS9 and Umphrey’s McGee will co-headline a show at the Filene Center at Wolf Trap National Park for the Performing Arts in Virginia on Sunday, Setpember 1. According to STS9’s Twitter, the show is “the first announcement of many.” Tickets to the event will go on sale to the general public for $35-40 on Saturday, May 4 at 10am ET. Pre-sale tickets will be available to members Wolf Trap members (they will need to signed up by April 25 to take advantage of the offer).

STS9 and Umphrey’s McGee have been friends for a while. As previously reported, the two bands will join the Disco Biscuits in Puerto Morelos, Mexico for the seventh annual Mayan Holidaze. STS9 and Umphrey’s McGee also co-headlined a summer tour back in 2008.