Originally Posted by Music Man

The Beatles were the originators of "Stadium Rock", with their famous concert at Shea stadium in 1965:



"The US tour really opened on August 15th with a concert scheduled in New York at the Shea Stadium, home of the New York Mets baseball team. This was the first time in the history of music that a stadium was used for a rock concert! Seen by 55,600 fans, it created a new world record for a pop concert in terms of attendance and gross revenue. The Beatles' share of the $304,000 box-office takings was also a record - $160,000."

http://www.maccafan.net/Gallery/SheaStadium/Shea.htm