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Drummers such as Baby Dodds , Zutty Singleton and Ray Bauduc had taken the idea of marching rhythms , combining the bass drum and snare drum and " traps " , a term used to refer to the percussion instruments associated with immigrant groups , which included miniature cymbals , tom toms , cowbells and woodblocks .
 Baby Dodds, Zutty Singleton, Ray Bauduc
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
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Text: {0} 
Answer:
 Baby Dodds, Zutty Singleton, Ray Bauduc