High Quality Content by WIKIPEDIA articles! The Llangollen International Musical Eisteddfod is a music festival which takes place every year during the second week of July in Llangollen, North Wales. Singers and dancers from around the world are invited to take part in over 20 high quality competitions followed each evening by concerts where the best and most colourful competitors share the stage with professional artists. Over five thousand singers, dancers and instrumentalists from around 50 countries perform to audiences of more than 50,000 over the 6 days of the event.