Extra tickets for Electric Picnic have just gone on sale.
The weekend tickets are available through Ticketmaster.
It's not known how many are available.
They have been put back on sale after the credit cards linked to the orders didn't process.
Music fans heading to Electric Picnic are being encouraged to leave no trace this weekend.
Festival organisers are asking ticket-holders to bring re-usable bottles and to take their tents home.
The 57,500 festival-goers are also being encouraged to avail of a 20 cent cup deposit scheme.
This year's event in Stradbally features a new area called Freetown, which means the Oscar Wilde campsite has had to move.
Vigorous and targeted drug searching will be in effect at Electric Picnic.
Gardai say they'll be taking a 'zero-tolerance' attitude towards drugs at this weekend's festival.
The Strokes, Florence and the Machine and Hozier will headline the country's biggest music festival this weekend.
