 Henry Mancini (qv) was originally hired to score the film.  According to accounts, upon hearing the proposed score,  Alfred Hitchcock (I) (qv) yelled at Mancini: "If I had wanted  Bernard Herrmann (qv), I would have hired him!" Mancini was fired  from the project. His recording of his main title to Frenzy is  available on one of his compilation of film music excerpts.