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The system of pitches used by an instrument or in a piece of music, or the practice of adjusting the pitches that instruments or voices produce to be in accordance with the chosen system. When relevant, please also include the tag of your instruments, e.g. [guitar] or [violin].

The system of pitches used by an instrument or in a piece of music, or the practice of adjusting the pitches that instruments or voices produce to be in accordance with the chosen system.

When relevant, please also include the tag of your instruments, e.g. or .