Next week, Matt Butler’s Everyone Orchestra will bring two shows to Pennsylvania’s Ardmore Music Hall, and the venue will also host a pre-party featuring a special solo performance from guitarist John Kadlecik of Jerry Garcia and David Grisman’s collaborative bluegrass album The Pizza Tapes.

The performance will take place before the EO show on December 9, which will feature members of Ween, Umphrey’s McGee, The Disco Biscuits, moe., Trey Anastasio Band and more. Kadlecik will also be joining the collective with many of the same participant for the previous night.

All ticketing and more information can be found at the venue’s website.