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He was also featured in Chaka Khan 's cover of Prince 's " I Feel For You " , alongside Melle Mel , playing his signature harmonica .
 person: Chaka Khan; person: Melle Mel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Chaka Khan; person: Melle Mel