Helmholtz pitch notation is a system for naming musical notes of the Western chromatic scale. Fully described and normalized by the German scientist Hermann von Helmholtz, it uses a combination of upper and lower case letters (A to G),[a] and the sub- and super-prime symbols ( ͵ ′ or ⸜ ⸝) to denote each individual note of the scale. It is one of two formal systems for naming notes in a particular octave, the other being scientific pitch notation.[1][unreliable source?][b]
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- ^ Schmidt-Jones, Catherine. "Octaves and the major-minor tonal system". cnx.com. Retrieved 3 August 2007.