 In hours @-@ long discussions with Bennett and Nimoy , Horner agreed with the director that the " romantic and more sensitive " cues were more important than the " bombastic " ones . Horner had written Spock 's theme to give the character more dimension : " By putting a theme over Spock , it warms him and he becomes three @-@ dimensional rather than a collection of schticks , " he said . The theme was expanded in The Search for Spock to represent the ancient alien mysticism and culture of Spock and Vulcan . 
