1455
Music historian O. G. Sonneck wrote of these concerts , “ As a specialty he cultivated burlesque olios or ‘ extravaganzas ’ which came dangerously near being music hall skits .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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