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He is the founder of the record label Serjical Strike Records , and is currently represented by Velvet Hammer Music and Management Group .
 Serjical Strike Records, Velvet Hammer Music and Management Group
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Serjical Strike Records, Velvet Hammer Music and Management Group