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It also shows a concern for the concepts of time and memory , both in its use of quotations ( notably from Béla Bartók , Benjamin Britten , and Jehan Alain ) , and in short interludes that recall material used in earlier movements and / or introduce ideas that will be fully developed later .
 Béla Bartók, Benjamin Britten, Jehan Alain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Béla Bartók, Benjamin Britten, Jehan Alain