Natural harmonics refer to harmonics occurred at a certain position of a guitar string such as 1/2, 3/1 or 4/1. Harmonics occurred at open strings of the fifth, the seventh and the twelfth frets are most frequently played and can get a higher note by an octave for the twelfth fret, by two octaves for the fifth fret and by one half octaves for the seventh fret.
Natural harmonics are described as "N.H" and the fret is described within a bracket.
You need to place your finger lightly on a fret so that you can create clear harmonics while playing.
Pinch/Picking harmonics
Pinch harmonics and picking harmonics are same ones and are techniques to get harmonics by placing the side of the thumb on a string simultaneously while picking. Unlike natural harmonics, you can get harmonics by picking harmonics regardless of the frets and the technique is widely used for electric guitar.
Picking harmonics are described as "P.H" on a score.
Tapped harmonics
Tapped harmonics are a technique to get harmonics by tapping the fret upper by twelve than the desired fret. Tapped harmonics are described as "T" on a score and the tapped fret is described within a bracket.
Artificial / Octave harmonics
Octave harmonics is a technique to get harmonics by playing the forefinger on the fret upper by twelve than the desired fret and then playing the thumb fingering. Just as the tapped harmonics, the location is described by the bracket with the fret.
All the harmonics that you learned from above are one of the muting techniques to get overtones by muting a certain part while the strings vibrate. I have introduced the overall guitar playing techniques by today's course. Some of them are not frequently used for acoustic guitar but you need to fully practice their playing methods. We may go further for them in later lessons for their application to songs and electric guitar.
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