Pentatonic Scales III: Relative Scales and Box Patterns

Relative major and minor pentatonic scales relate to each other in the same way that relative major and minor scales relate to each other.

Every major pentatonic scale has a relative minor pentatonic scale that shares the same notes and key signature. This post will illustrate the relationship between relative major and minor pentatonic scales.

A pentatonic box pattern is a guitar fingering for a major pentatonic scale and its relative minor pentatonic scale. This post will provide a common pentatonic box pattern, along with instruction on how to use it.

Finding Relative Scales on a Guitar

We can easily determine a major pentatonic scale’s relative minor pentatonic scale and vice versa by looking at a guitar.

Relative Minor Pentatonic Scales

The root note of any given minor pentatonic scale is always a step and a half (three frets) below the root note of its relative major pentatonic scale. 

To find the root note of any given minor pentatonic scale on a guitar, count down three frets from the root note of its relative major pentatonic scale. 

For example, to find the relative minor of C major:

  1. Locate a C on a guitar (fig.1, highlighted in blue).
  2. Count down three frets to A (fig.1, highlighted in red).

The relative minor of C major is A minor.

Fig.1

So a C major pentatonic scale and an A minor pentatonic scale share the same notes (fig.2):

  • A C major pentatonic scale contains the notes C, D, E, G and A.
  • An A minor pentatonic scale contains the notes A, C, D, E and G.

Fig.2

Relative Major Pentatonic Scales

Conversely, the root note of any given major pentatonic scale is always a step and a half (three frets) above the root note of its relative minor pentatonic scale. 

To find the root note of any given major pentatonic scale on a guitar, count up three frets from the root note of its relative minor pentatonic scale. 

For example, to find the relative major of E minor:

  1. Locate an E on a guitar (fig.3, highlighted in red).
  2. Count up three frets to G (fig.3, highlighted in blue).

The relative major of E minor is G major.

Fig.3

So a G major pentatonic scale and an E minor pentatonic scale share the same notes (fig.4):

  • A G major pentatonic scale contains the notes G, A, B, D and E.
  • An E minor pentatonic scale contains the notes E, G, A, B and D.

Fig.4

Pentatonic Scale Box Patterns on a Guitar

There are five standard pentatonic scale box patterns (fingerings) for a guitar, which are the same for both major and minor pentatonic scales.

Each of the five patterns contains two notes per string and includes all of the notes in both a major pentatonic scale and its relative minor pentatonic scale. Only the root notes of the two related scales are different in each pattern.

The first — and most commonly used — box pattern is shown in fig. 5 with the major pentatonic scale root notes highlighted in blue.

Fig.5

The same pattern is shown in fig.6 with the minor pentatonic scale root notes highlighted in red.

Fig.6

C Major/A Minor Pentatonic Scale Box Pattern

When played in fifth position on a guitar (fig.7), the pattern includes all of the notes in a C major pentatonic scale (root notes highlighted in blue) and an A minor pentatonic scale (root notes highlighted in red).

Fig.7

G Major/E Minor Pentatonic Scale Box Pattern

When played in 12th position on a guitar (fig.8), the pattern includes all of the notes in a G major pentatonic scale (root notes highlighted in blue) and an E minor pentatonic scale (root notes highlighted in red).

Fig.8

Pentatonic Scale Soloing

So the same pentatonic box pattern can be used to solo with a major pentatonic scale and/or its relative minor pentatonic scale.

For example, you can use the box pattern shown above in fifth position on a guitar to solo over a chord progression in the key of C major or a progression in the key of A minor.

To solo over a progression in the key of C major, you would want to use a C major pentatonic scale, so emphasize C’s in your solo. Start, end and pause many of your phrases, patterns, sequences and runs on C’s to bring out the tonality of a C major pentatonic scale.

To solo over a progression in the key of A minor, you would want to use an A minor pentatonic scale, so emphasize A’s in your solo. Start, end and pause many of your phrases, patterns, sequences and runs on A’s to bring out the tonality of an A minor pentatonic scale.

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