If you get onto some of the p2p networks there are unreleased bootleg recordings and home made videos people have done themselves of the events. The quality isn't very good. It takes ages to download them and it is easier and quicker to go somewhere like psyshop or saikosounds and buy professionally produced DVDs.
in communist china you infringe patents.
in capitalist duhmerica patents infringe you!
i have a movie of a festival in japan ,and 1 of festival thet my sister was in 3.5 years ago it is known as the burning man it is in navada u.s evry year e-mail me and mybe will figure out a way to send it 2 u.