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Critic Robert Palmer called the " tart tone cluster " that " pierces a song 's surfaces and penetrates to its heart " a specialty of guitarist Jim Hall 's .
 person: Robert Palmer; person: Jim Hall
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Robert Palmer; person: Jim Hall