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He was known for his emotionally charged performances and several stylistic shifts throughout his career , and was described by critic Scott Yanow as " the world 's great altoist " at the time of his death .
 Scott Yanow
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Scott Yanow