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The sisters also performed modern music , including works by Stravinsky , Dallapiccola , Arthur Bliss and Lennox Berkeley and continued to perform in public until 1970 .
 Stravinsky, Dallapiccola, Arthur Bliss, Lennox Berkeley
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Stravinsky, Dallapiccola, Arthur Bliss, Lennox Berkeley