JAMFEST after movie part II ☆ Watch new JAMFEST after movie part 2 which is pretty impressive. Comments Off on JAMFEST after movie part II Find Articles Search for: Welcome to the Official Website of Spring Jam Fest! The movement kicks off Saturday, May 14, at Bull Run Park - Special Events Center at 7700 Bull Run Drive, Centreville Virginia from 11am to 10pm! Doors open at 10:30am for General Admission. We have tried hard to put together the best possible lineup to complete our goal of outreaching through music, especially to youth and young adults, while keeping tickets at just $12 and $15! We are so excited for this kickoff event jam packed with top National and Local Bands, Games, Activities, Vendors, and an 11 hour party that everyone will enjoy. We hope to see you there!