Country Jam is celebrating its 27th anniversary in Grand Junction, Colo., this year. Throughout the four-day event, Kip Moore, Carly Pearce, Big & Rich, Dustin Lynch and many others will perform — and if the fest's first day indicates what's to come, the crowd is in for a surprise or two.

From dogs onstage to some well-timed entrance music, Day 1 of Country Jam 2018 was fun-packed, but relaxed. Brett Eldredge, Trent Harmon and more helped kick off this year's iteration of the festival on Thursday (June 14). If you weren't there, here are a few things you missed:

Country Jam 2018 continues through Sunday (June 17). Miranda Lambert, Florida Georgia Line and Brantley Gilbert will headline the remaining three nights.

See More Photos From Country Jam 2018