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The ceilidh arose at the expense of older traditional music , which declined in popularity for decades until the creation of the Comhaltas Ceoltóirí Éireann , and later the Folk Revival brought new attention to traditional Irish music .
 Comhaltas Ceoltóirí Éireann
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Comhaltas Ceoltóirí Éireann