Rock in Rio Christens Vegas Festival Grounds Posted by VenuesNow Staff | May 19, 2015 | General First USA event for Brazilian festival producers paves the way for more To access this post, you must purchase Subscribe to VenuesNow – 1 Year, Subscribe to VenuesNow – 2 Years or Subscribe to VenuesNow – 3 Years. If you are already a member of VenuesNow, please login here: log in