
1) Annual event in Ireland 2) Music festival in Ireland
Found on
https://www.crosswordclues.com/clue/oxegen

Oxegen n is a music festival in Ireland, first held from 2004–2011 as a rock and pop festival and again in 2013 with dance and chart acts only. The event is regularly cited as Ireland`s biggest music festival, and, by 2009, it was being cited as the greenest festival, being a 100% carbon neutral event in Ireland. It was previously called Witnne....
Found on
http://en.wikipedia.org/wiki/Oxegen
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