. . "1966Z"^^ . . . . "Roy Bittan"@en . "Roy J. Bittan (born July 2, 1949) is an American keyboardist, best known as a member of Bruce Springsteen's E Street Band, which he joined on August 23, 1974. Bittan, nicknamed The Professor, plays the piano, organ, accordion and synthesizers."@en . . . . "American musician" . "non_vocal_instrumentalist" . . . "Bittan, Roy"@en . . . . "1949Z"^^ . "1949-07-02Z"^^ . . . "The Professor"@en . .