Keller Williams has confirmed that his “Keller & His Compadres” project will return for a two-night run at Warren Station in Keystone, CO on December 20 and 21. This year’s incarnations of the group will feature Michael Kang and Michael Travis of the String Cheese Incident and Vince Herman and Drew Emmitt of Leftover Salmon. Kang and Travis will join Williams on Friday, December 20, while Herman and Emmitt will be there on Saturday, December 21.

Pre-sale tickets to the shows will go on sale this Thursday, October at 10am MT via Williams’ site. Beginning at the same time, fans will also be able to pre-order limited edition posters and t-shirts.

Last year’s Keller & His Compadres gigs featured three other members of the String Cheese Incident—Kyle Hollingsworth, Bill Nershi and Keith Moseley—as well as Dave Watts.