Aqueous played a series of shows at this year’s Summer Camp Music Festival over Memorial Day weekend and during a short set on opening night they welcomed a pair of members from the host bands.

moe. drummer Vinnie Amico and Umphrey’s McGee’s Joel Cummins joined the band on a debut cover of Steely Dan’s “Kid Charlemagne.” Watch above.

Aqueous guitarist Mike Gantzer then teamed up with Umphrey’s McGee’s Ryan Stasik and Kris Myers for a set dedicated to Green Day’s Dookie record. Along with performing the album, the trio rolled through numerous pop rock hits like Weezer’s “My Name is Jonas” and “Sweater Song” as well as Ween’s “It’s Gonna Be a Long Night.”