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The album came about when , during the track " Universal Mind " , Jordan Rudess ' Roland Fantom-G8 keyboard started playing half-step higher notes on every fourth key .
 Jordan Rudess, Roland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jordan Rudess, Roland