He wrote music for films and television ; among his scores were the Doctor Who story The Aztecs ( 1964 ) for television , and the feature films Billion Dollar Brain ( 1967 ) , Lady Caroline Lamb ( 1972 ) and Equus ( 1977 ) .
He wrote music for films and television ; among his scores were the Doctor Who story The Aztecs ( 1964 ) for television , and the feature film Billion Dollar Brain ( 1967 ) .