| Guitar tunings are any of several techniques of pitch adjustment on the individual strings of a guitar in order to achieve a prescribed arrangement of notes from the open (unfretted) strings. Terms related to guitar tunings Equal temperament is a musical temperament, or a system of tuning in which every pair of adjacent notes has an identical frequency ratio. In equal temperament tunings an interval — usually the octave — is divided into a series of equal steps (equal frequency ratios). For modern Western music, the most common tuning system is twelve-tone equal temperament, sometimes abbreviated as 12-TET, which divides the octave into 12 (logarithmically) equal parts. It is usually tuned relative to a standard pitch of 440 Hz. A transposing instrument is a musical instrument whose music is written at a pitch different from concert pitch. Concert pitch is the pitch as notated for piano (or any other non-transposing instrument) — e.g., the note "C" on piano is a concert C. On a transposing instrument, a concert C is written as another note. On the surface, this may be confusing, but there are several reasons for the existence of transposing instruments. The difference between a transposing instrument and a non-transposing instrument is only in whether or not the music is written at its sounding (concert) pitch. Helmholtz pitch notation is a musical system for naming notes of the Western chromatic scale. Developed by the German scientist Hermann von Helmholtz, it uses a combination of upper and lower case letters (A to G), and the sub- and super-prime symbols to describe 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. The Helmholtz scale always starts on C and ends at B (C, D, E, F, G, A, B). The note C is shown in different octaves in the following sequence: C,, |
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