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Indian musicians Aashish Khan and Shivkumar Sharma performed on the album , which contains the experimental sound collage " Dream Scene " , recorded several months before Lennon 's " Revolution 9 " .
 Aashish Khan, Shivkumar Sharma, Lennon
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Aashish Khan, Shivkumar Sharma, Lennon