Glastonbury Festival Or full name Festival of Contemporary Performing Arts festival Glastonbury. Or in short, Glastonbury or Glasto grown into a festival of music and performances on the grass, the largest in the world. Is known for its contemporary music, and also art, dance, drama, comedy, circus, cabaret and other arts festivals in 2005, covers an area of 900 acres (3.6 square kilometers). There are more than 385 shows, performances. There. the audience of around 150,000 people. because they want to watch world-renowned artists playing live on stage band Arctic Monkeys and the Rolling Stones there. in 2007, there were more than 700 performances of the show. more than 80 stage to stage.