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Futurists such as Francesco Balilla Pratella and Luigi Russolo began composing music with acoustic noise to evoke the sound of machinery .
 Francesco Balilla Pratella, Luigi Russolo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Francesco Balilla Pratella, Luigi Russolo