Guitar Scale Logic

Interactive Guitar Scale Finder

Guitar Scale Logic

A# Phrygian Guitar Scale in Open G

Phrygian scale notes, fretboard positions and guitar tabs for Open G.

Formula 1 b2 b3 4 5 b6 b7
Tuning D B G D G D
Scale Notes 7 notes

Interactive fretboard

Scale Map

Root notes are highlighted in amber. Use the buttons to isolate each five-fret position.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
D
D#
F
F#
G#
A#
B
C#
D#
F
F#
G#
A#
B
B B
C#
D#
F
F#
G#
A#
B
C#
D#
F
F#
G#
G
G#
A#
B
C#
D#
F
F#
G#
A#
B
C#
D#
F
D
D#
F
F#
G#
A#
B
C#
D#
F
F#
G#
A#
B
G
G#
A#
B
C#
D#
F
F#
G#
A#
B
C#
D#
F
D
D#
F
F#
G#
A#
B
C#
D#
F
F#
G#
A#
B
Root Note Scale Note

Scale Tablature

Position 1

D|------------------------------3--4--|
B|------------------------2--4--------|
G|---------------1--3--4--------------|
D|------1--3--4-----------------------|
G|3--4--------------------------------|
D|------------------------------------|

Pattern shows scale notes in 1-5 frets for position 1.

Theory & Context

Why This Shape Works

A# Phrygian in Open G tuning puts the notes A#, B, C#, D#, F, F#, G# under your fingers in a layout that feels dark, compressed and exotic. Open G stacks a ready-made major chord under your fingers, which changes how the neck breathes and makes partial chords and droning double-stops easier to hear. On this page you can switch between all visible notes or five smaller positions, study a pre-rendered tab pattern for each zone and match the sound against chords that stay inside the scale. Because the interval formula is 1 b2 b3 4 5 b6 b7, every diagram here is generated from exact semitone math instead of guessed text. Start with Position 1 to lock in the tonic, then connect Positions 2 and 3 so you can move into riffs, lead fills and improvised phrases without losing the key center.

Overview

Phrygian sounds dark, compressed and exotic and is especially useful for metal riffs, Spanish-flavoured motifs and tense pedal point ideas. Open G feels rootsy, slide-friendly and chord-rich.

Pro Tip

Hit the b2 against the root to make the Phrygian tension obvious. In Open G, it is great for rhythm guitar ideas that need instant harmony.

  • A#
  • B
  • C#
  • D#
  • F
  • F#
  • G#

Suggested Chords

Works Well With This Scale

Chord options generated from the same note pool.

  • A#mminor
  • A#5power
  • A#sus4sus4
  • A#m7minor 7
  • B5power
  • Bmajor
  • C#5power
  • C#sus4sus4
  • C#major
  • D#mminor