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Akst worked on the Broadway production of Artists and Models ( 1927 ) , eventually moving to Hollywood to continue songwriting for Broadway musical s. He appeared as the rehearsal pianist " Gerry " in 42nd Street ( 1933 ) .
 Akst, Broadway, Hollywood, Broadway musical
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Akst, Broadway, Hollywood, Broadway musical