This is a free outdoor concert in a beautiful setting located in the back of this building:

12000 Government Center Parkway, Fairfax, VA 22035

https://www.google.com/maps/place/Government+Center+Pkwy,+Virginia/@38.8533024,-77.3488696,17z/data=!3m1!4b1!4m5!3m4!1s0x89b64f16eadedc87:0xa300672492de1191!8m2!3d38.8533024!4d-77.3466809