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He edited the journal Metronome from 1943 to 1955 , and shifted its focus from Western art music to cover more jazz music , especially black musicians , who had heretofore received little notice in the journal .
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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:
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