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The resulting six-movement suite , Music in Dark Times , was premiered by Ashkenazy with the San Francisco Symphony Orchestra on March 25 – 28 , 2009 .
 Ashkenazy, San Francisco Symphony Orchestra
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ashkenazy, San Francisco Symphony Orchestra