The process of adjusting the tension of a twelve-string instrument’s strings until they produce the correct pitches is essential for proper sound. This adjustment is a systematic procedure, often involving the use of a tuning device, reference pitches, or relative tuning methods. The twelve strings are arranged in six courses, with each course typically consisting of two strings. These strings are tuned either in unison or an octave apart, creating a richer, more complex sound than a standard six-string instrument.
Achieving accurate intonation on this type of instrument is paramount for harmonic clarity and musical expressiveness. A properly tuned twelve-string instrument avoids dissonant intervals and ensures the chords and melodies played are pleasing to the ear. Historically, the twelve-string guitar has been used in various musical genres, from folk and blues to rock and pop, with its distinctive sound adding depth and texture to recordings and live performances. The tonal characteristics obtained from it are a distinctive element of many iconic recordings.