Classic records that are easy to find and won't break the bank.
Tim Minchin's 'Matilda The Musical' leads the way.
Though organiser Michael Eavis says that three headliners have already been confirmed for the festival.
Tickets for the festival have sold out in just 26 minutes.
Drummer and founder of Fleetwood Mac will showcase 30 of his works.
Organiser Michael Eavis says he hopes the band will play the festival in 2015.
190 million Beatles songs are illegally downloaded per year, it's been estimated.