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Career Her newest piece , " Night 's End Anthem " based on Roy Arad 's poem for Soloists , Chorus and Symphony orchestra was commissioned and premiered by the Israel Philharmonic Orchestra under Maestro Zubin Mehta in July 2009 at the season 's final concert series . "
 Roy Arad
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Roy Arad