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Musical luminaries including Wolfgang Amadeus Mozart , Joseph Haydn , Ludwig van Beethoven , Ferdinand Ries , Franz Schubert , Johannes Brahms , Gustav Mahler , Robert Stolz , and Arnold Schoenberg have worked there .
 Wolfgang Amadeus Mozart, Joseph Haydn, Ludwig van Beethoven, Ferdinand Ries, Franz Schubert, Johannes Brahms, Gustav Mahler, Robert Stolz, Arnold Schoenberg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Wolfgang Amadeus Mozart, Joseph Haydn, Ludwig van Beethoven, Ferdinand Ries, Franz Schubert, Johannes Brahms, Gustav Mahler, Robert Stolz, Arnold Schoenberg