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During her post-graduate studies at Manhattan School of Music , where she graduated with a master 's degree in Classical Voice , she performed in many operas , cabarets and concerts featuring contemporary opera and Russian art song .
 organization: Manhattan School of Music
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Manhattan School of Music 
Answer:
 organization: Manhattan School of Music