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In 1948 Antoni established in Prizren one of the Josip Slavenski music schools of former Yugoslavia for beginners and intermediate music performers .
 Antoni, Prizren, Josip Slavenski, Yugoslavia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Antoni, Prizren, Josip Slavenski, Yugoslavia