With Radio l's Greatest Hits - the Mystery Years.

With the Cheesily Cheerful Chart Challenge.

Steve Lamacq and John Peel get coverage of the UK's largest music festival under way.
Including all the news so far, preview sets and backstage gossip - the only sure way to get the best of the festival while staying dry. This year's unconfirmed bill includes Hole, Super Furry Animals, Air, Gomez, Mogwai and Travis.

(See John Peel: page 8)

With a live performance from northern a cappella folk trio the Oldham Tinkers.