Yonder Mountain String Band will ring in 2015 with four shows at the Boulder Theater in Colorado. Kicking off on December 31, the band will be joined by special guests Allie Kral and Jake Jolliff for the entire run, with additional special guests to be announced in the coming weeks.

Tickets to the run go on sale September 23 at 10 AM MT (pre-sale) while the general on-sale takes place September 16 at 10 AM MT. All ticketing information is available via the band’s site.