Theme / Opening | Midsomer Murders -

: The primary melody is performed on a theremin , an electronic instrument played without physical contact, often accompanied by piano, strings, or woodwinds.

If you are looking for "paper" (sheet music) for the theme, several arrangements are available across different platforms: Midsomer Murders - Theme / Opening

: The theme is composed in the style of a waltz , typically written in : The primary melody is performed on a