338706
He learnt to play the drums at an early age , and was heavily influenced by several notable drummer s including Billy Cobham , Steve Gadd and Stewart Copeland .
 Billy Cobham, Steve Gadd, Stewart Copeland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Billy Cobham, Steve Gadd, Stewart Copeland