MAGFest

MAGFest (Music and Gaming Festival, originally the Mid-Atlantic Gaming Festival) is a non-profit organization and video game, art, music, and culture festival.They hold multiple events throughout the year, with their flagship event being an annual festival held in the Washington metropolitan area the National Harbor. The events feature concerts by chiptune artists and video game cover bands, educational panels and activities, free-to-play arcade cabinets, a bring your own computer (BYOC) LAN party, community jam spaces, and charity speedruns & auctions. Source