The best string to get some of the more difficult harmonics
is the bottom E — I am therefore using this string as the reference
point in this guide to natural harmonics but obviously what applies to this
string ( apart from the names of notes ) applies to all the open strings

** What are Natural Harmonics?**

Natural harmonics are notes derived from the *open*
strings - other harmonics are called Artificial, Pinched or Articulated -
more on these later.

Natural harmonics are produced by dividing the vibrating length of the string
into smaller units ( fractions ) - so for instance if you play the harmonic
at the 12th fret you are dividing the string into two parts (½ ).

This produces a note ** an octave** higher than the
open string.

If you get a long ruler or tape measure you can verify the position of these harmonics by dividing the length of the string ( from nut to saddle ) into various fractions.

A Quarter of the string length gives the harmonic found over fret 5 - this gives a note

An Eighth of the string length gives a note

This fraction (⅛ ) does not come immediately over a fret but is about a third of the way between frets 2 and 3 - be careful as there is another harmonic about ½ way between frets 2 and 3 - more on this later . The smaller the fraction the more difficult it is to produce the harmonic - your left hand needs to be touching in just the right place and your right hand may have to hit the string much harder than usual.

**To sum up this first lesson.**

The open bottom E string = E2

The harmonic found at the 12th fret = E3

The harmonic found at the 5th fret = E4

The harmonic found at the 2nd and a bit fret = E5

These numbers ( E2 E3 etc.) are a standard way of denoting different octaves
and can be found on many electronic tuners — E1 would be the lowest note on a four string bass.

Go on to the next lesson for more Natural Harmonics

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