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Never Before consists of material recorded between 1965 and 1967 by the original line-up of The Byrds , featuring Roger McGuinn , Gene Clark , David Crosby , Chris Hillman , and Michael Clarke ( although Gene Clark had left the group by early 1966 ) .
 person: Roger McGuinn; person: Gene Clark; person: David Crosby; person: Chris Hillman; person: Michael Clarke; person: Gene Clark
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Roger McGuinn; person: Gene Clark; person: David Crosby; person: Chris Hillman; person: Michael Clarke; person: Gene Clark