It is also possible to harmonize scales and melodies in 4ths or to use them as embellishments to a melody or chord progression. Here are the fingerings for 4ths across each pair of strings, along with an example of the way they sound.
Here are some of the ways 4ths might be used in a song.
This one uses both 4ths and 6ths
Another colourful sound used in Jazz and Funk is chords made up entirely of 4ths instead of 3rds. In the chords shown below, one basic shape is used but the name of the chord can change, depending on the position of the root note.
G6,9
Gm11
Gm11
G7sus
It is possible to harmonize an entire scale with these chords. The example below shows the G Blues scale harmonized from below with chords voiced in 4ths.
The following examples demonstrate some of the ways these chords can be used.