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In 1985 he was tapped to tour on bass guitar with Nina Simone , and he staged a comeback in the 1990s when he released Back on Track , and became a respected Chicago blues player and bandleader in B.B. King 's clubs .
 Nina Simone, B.B.
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nina Simone, B.B.