Since 1973, Willie Nelson has hosted his annual 4th of July celebrations at various locations, mainly in Texas. No one under the age of 17 will be admitted without a parent or guardian.“Outlaw Country” (aka “Heartworn Highways”) (First Run Features, 1981). A more intimate look at the outlaws of 1970s country than “Willie Nelson’s 4th of July Celebration.” Starts at 7:30 p.m. Free, at the Library of Congress Packard Campus Theater located at 19053 Mt. Pony Rd. in Culpeper, VA. No reservations required. For more information, call 202-707-9994.