String harmonic tap the fifteenth fret, as . Tap harmonic is a technique used with fretted string instruments (usually guitar). It is executed by tapping on the actual fret wire, most commonly at the 12th fret, but also can be executed by tapping any of the fret wires with proper technique. It can also be done by gently touching the string over the fret wire instead of tapping the fret wire if the string is already ringing. See also: Shred Guitar. This technique is used by effect devices producing a magnetic field that can agitate fundamentals and harmonics of steel strings. There
Classical guitar technique The left hand must be placed at a nodal point along the string. Nodal points are found at integral divisions of the string length. The simplest example would be when the left hand finger divides the string in two and is placed at the twelfth fret. The note then played is one octave higher than the open string. If the string is divided in three (left hand finger near the seventh fret) the note played is one octave and one fifth above the open string. The player must be careful not to pluck the string at another node (nearer the