Urdd Eisteddfod: Concert for opening of event in Glynllifon, Gwynedd
A concert is due to be held to officially open the Urdd National Eisteddfod 2012 in Gwynedd.
Up to 100,000 visitors and 15,000 competitors are expected at the Eisteddfod between 4-9 June at Coleg Meirion Dwyfor College, Glynllifon.
Sunday's concert will include performances from acts like Rhys Meirion, the Glanaethwy Choir and baritone Iwan Wyn Parry.
The show will start in the main pavilion at 20:00 BST.
The event is held on a different site each year with the 2013 event being held in Pembrokeshire.
It was last held in Glynllifon in 2009.
With up to 6,000 cars expected each day, traffic restrictions will be in force on the main Caernarfon to Pwllheli route along the A499.
Two local roads - Allt Goch and Lon Cefn Glyn - will also become one-way for the duration of the event.