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There are numerous cello concertos – where a solo cello is accompanied by an orchestra – notably 25 by Vivaldi , 12 by Boccherini , at least three by Haydn , three by C. " P. " E. Bach , two by Saint-Saëns , two by Dvořák , and one each by Robert Schumann , Lalo , and Elgar .
 –, Vivaldi, Boccherini, Haydn, C. " P. " E. Bach, Saint-Saëns, Dvořák, Robert Schumann, Lalo, Elgar
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 –, Vivaldi, Boccherini, Haydn, C. " P. " E. Bach, Saint-Saëns, Dvořák, Robert Schumann, Lalo, Elgar