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In the publisher 's forward it discussed the art of playing jazz , mentioning " Glenn Miller , feature trombonist of Ben Pollack 's Victor Recording Orchestra , and author of this book , is recognized everywhere as a finished artist . "
 Glenn Miller
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Glenn Miller