The 70's Swedish Poptastic quartet known as Abba, are rumoured to be contemplating a reunion to play one gig this year.

Following much speculation about the group reuniting and more recent comments made by Agnetha Faltskog (the blonde one) who has said she is contemplating agreeing to reunite for one gig in the UK this year, bookmakers William Hill have today announced odds of 30/1 in favour of the famous group playing Glastonbury, against them possibly playing the Royal Wedding in April.

Other bands rumoured to be headlining this year's festival are Take That, Coldplay (again), Radiohead, U2, Prince and Bon Jovi. The festival runs from 22nd - 26th June and tickets have already sold out, though no doubt there will be a chance for locals to secure tickets nearer the time. There will be a break for the festival in 2012 when the Olympics come to London - evidently necessary due to a shortage of portaloos and security.

So what do you think about Abba playing Glastonbury? Could this be one of Eavis' major line-up achievements? Tell us what you think!