Watch this video about music festivals and music licensing on HowStuffWorks. Sir Richard Branson, creator of the world-renowned UK-based V Festival, announced today that the U.S. Virgin Festival By Virgin Mobile will be held August 4-5, 2007 at Pimlico Race Course® in Baltimore, Maryland, adding a second full day of music in its second year. See how music festivals work in this video from MultiVu.