The Viva Las Vegas Rockabilly Weekend is the Largest Rockabilly Event in the World, and the Longest Running Music Festival in Las Vegas, coming up on its 27th year. The Weekender annually attracts over 20,000 attendees to The Orleans Hotel and Casino for four nonstop days of music, hot rods, dancing, burlesque, pool parties, shopping and more. Rock ‘n’ Roll and Rockabilly aficionados from over …