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The EP was initially proposed to strictly be a remix single for " Dope Hat " , but various contributions by engineer and Skinny Puppy producer Dave Ogilvie , Nine Inch Nails live keyboardist Charlie Clouser , and new material by the band resulted in an eclectic and unusual combination of material .
 Skinny Puppy, Dave Ogilvie, Nine Inch Nails, Charlie Clouser
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Skinny Puppy, Dave Ogilvie, Nine Inch Nails, Charlie Clouser