Dr. No (film) that followed him. Bond, after overpowering Quarrel and his friend Puss Feller, meets Quarrel's passenger, Felix Leiter, a CIA agent on the same mission as Bond. The CIA has traced the radio jamming signal to Jamaica, but has not determined its exact origin. Quarrel, who is assisting Leiter, reveals that he had been guiding Strangways around the nearby islands to collect mineral samples. He also mentions the reclusive Dr. No, the owner of Crab Key, an island rigorously protected against trespassers by an armed security force. In Strangways' house, Bond finds a receipt from Professor R.J. Dent concerning rock samples.
James Bond music happened to David Arnold with "Skyfall" and "Spectre". The "James Bond Theme" is the main theme for "Dr. No", and has featured in all the Eon Productions Bond films in different versions. The theme has also featured on the gun barrel sequences at the beginning of the films. The original theme was written by Monty Norman, and was performed by John Barry and his orchestra in 1962. In the opening credits of "Dr. No", two other pieces were played: an untitled bongo interlude and a Calypso-flavored rendition of "Three Blind Mice", titled "Kingston Calypso". Due to this, "Dr. No" is