Henry Mancini was an American composer, arranger, conductor, and pianist, espcially well known film music composer.
He had started his career as a musician since 1946.
His first soundtack was 1952 “The Raiders” directed by Lesley Selander and starring Richard Conte and Viveca Lindfors.
The first hit single “Mr. Lucky” was released 1960, peaked #21 on the Billboard Hot 100.
Now, “Peter Gunn” was from 1958 to 1960 TV drama, the theme music was written by Henry Mancini.
It has been one of his popular music.