An octave is an interval between one musical pitch and another with half or double its frequency.
In other words, an octave is the same note at a higher or lower pitch.
Take the low E string, for example. We’ll find another E note on the D string at the 2nd fret. This allows you to double up the note to create a strong statement.
Try it for yourself! Below you’ll find octaves for these open strings: E, A, D, and G.
You can move the pattern around to create octaves all over the fretboard:
Use Of Octaves Example
Here is an example of the real-world use of octaves. This is the fiery intro to the Jimi Hendrix classic “Fire”.
