Dr. Dog and Delta Spirit will open for Umphrey’s McGee at Morrison, CO’s Red Rocks on June 7. As previously reported, this will be Umphrey’s McGee’s 7th appearance at the classic venue. In other news, Umphrey’s McGee makes their debut at Boulder, CO’s historic Chautauqua Auditorium on the following evening, June 8. The shows are part of Umphrey’s McGee’s 15th anniversary celebration. Umphrey’s McGee keyboardist Joel Cummins confirmed his band’s return to Red Rocks on Twitter this past Friday.