ISBN 978-0-306-80683-4. Greene, Doyle. Rock, Counterculture and the Avant-Garde, 1966-1970: How the Beatles, Frank Zappa and the Velvet Underground Defined
《Unfinished Music No.1: Two Virgins(英语:Unfinished Music No.1: Two Virgins)》(1968年11月29日) 《Unfinished Music No. 2: Life with the Lions(英语:Unfinished Music No.