In the wake of Glastonbury 2006 organiser Michael Eavis fretted about the creeping gentrification of the festival: "People say we're getting middle-class. The demographic is changing and it's worrying. We need to get the youngsters back."
The result of this all this self-questioning was Jay-Z's headline set in 2008, which resulted in a heap of positive press - but also the slowest ticket sales in over a decade.
That experience seems to have shocked the Eavises back into conservatism. The full Glastonbury 2009 line-up, which was announced yesterday, includes such heritage acts as Bruce Springsteen, Neil Young, The Specials, Spinal Tap and Crosby, Stills & Nash.
On Sunday, on the Pyramid Stage alone, festival-goers will be entertained by Madness, Tom Jones, Tony Christie and Status Quo. It will surely be the first time in the festival's history that the greatest combined age of the day hasn't belonged to the Glastonbury Town Band.
Of course, there will be plenty of other, fresher acts to enjoy - Passion Pit and The Big Pink on the John Peel stage, the mesmerising Marina & The Diamonds (and, er, The Glitterati, for some reason) on the Queen's Head. But does anyone else think a lot of the line-up feels weirdly geriatric?
Blog - "A brain-swelling blur of amazingness" - Jamie Fullerton analyses the Glastonbury line-up in detail
Glastonbury 2009 - the full line-up