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Although he had not been musically trained , he sang in a local jazz band and in amateur performance forums emulating Stevie Wonder , Whitney Houston , and Donny Hathaway .
 Stevie Wonder, Whitney Houston, Donny Hathaway
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Stevie Wonder, Whitney Houston, Donny Hathaway