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By contrast , he 's won kudos for his espousal of William Schuman 's `` Violin Concerto , '' which he recently recorded for Angel / EMI along with Leonard Bernstein 's engaging `` Serenade for Violin Solo , Strings and Percussion . ''
 William Schuman 's, Violin Concerto, Angel / EMI, Leonard Bernstein 's, Serenade for Violin Solo , Strings and Percussion
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 William Schuman 's, Violin Concerto, Angel / EMI, Leonard Bernstein 's, Serenade for Violin Solo , Strings and Percussion