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From the early 20th century , the cornet and trumpet combination was still favored by some composers , including Edward Elgar and Igor Stravinsky , but tended to be used for occasions when the composer wanted the specific mellower and more agile sound .
 Edward Elgar, Igor Stravinsky
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Edward Elgar, Igor Stravinsky