WAMU Bluegrass Country is celebrating 45 years of programming with a live concert at GW Lisner Auditorium. Performances include The Del McCoury Band & The Gibson Brothers Doors open at 7:30 p.m. Concert begins at 8 p.m. Presented by WAMU Bluegrass Country and WAMU 88.5/American University. For more information visit wamu.org.