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An example of a clarinet-viola-piano trio existed several hundred years before the clarinet-violin-piano trio ; Mozart composed his famous Kegelstatt Trio in the 18th century , and the Romantic composer Max Bruch composed a suite of eight pieces for this combination , as well as a double concerto for viola , clarinet , and orchestra .
 Mozart, Max Bruch
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mozart, Max Bruch