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Guitar scale · pentatonic & blues

G Iwato Scale

Japanese five-note scale 1 ♭2 4 ♭5 ♭7, with a half step and a tritone.

Notes GAbCDbF
Formula 1 ♭2 4 ♭5 ♭7
Steps H 4 H 4 W
Mood Tense, Dark, Unsettled
Heard in Japanese Traditional Music, Film Scores

Interactive scale diagram

G Iwato Scale · Standard tuning

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E

Tap any note to hear it.

G Iwato Scale tab: all 5 positions

Each tab climbs from the low E string to the high e string. Play it up, then back down.

Position 1 · E shape frets 3–6
e|---------------------3-4-|
B|-------------------6-----|
G|---------------5-6-------|
D|---------3-5-6-----------|
A|-----3-4-----------------|
E|-3-4---------------------|
Position 2 · D shape frets 5–8
e|-----------------8-|
B|-------------6-8---|
G|---------5-6-------|
D|-----5-6-----------|
A|---8---------------|
E|-8-----------------|
Position 3 · C shape frets 7–10
e|--------------------8-9-|
B|----------------8-9-----|
G|-------------10---------|
D|----------10------------|
A|-----8-10---------------|
E|-8-9--------------------|
Position 4 · A shape frets 10–13
e|----------------------------13-|
B|-------------------------13----|
G|----------------10-12-13-------|
D|----------10-11----------------|
A|----10-11----------------------|
E|-13----------------------------|
Position 5 · G shape frets 12–15
e|-------------------------13-15-|
B|-------------------13-14-------|
G|-------------12-13-------------|
D|----------15-------------------|
A|-------15----------------------|
E|-13-15-------------------------|

How to play G Iwato on guitar

Find the root first: G is at fret 3 on the low E string and fret 10 on the A string. The blue notes on the diagram are every G on the neck; the gold ones are the rest of the scale's home chord (4, ♭7), the safest notes to land on at the end of a phrase.

Learn it one box at a time. Position 1, the E shape, sits at frets 3–6. Once it's under your fingers, move to position 2 (the D shape) and play the notes the two boxes share, then keep going up the neck. After all five, the scale joins up into one pattern across the whole fretboard.

Degrees

DegreeNote
1 G
♭2 Ab
4 C
♭5 Db
♭7 F

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Practise G Iwato anywhere, even offline.

This page is a small slice of Fretwise. The app adds practice: exercises that play as tab, a new routine every day, and the tools to tune and keep time. On iPhone, iPad and Android, no sign-up.

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Questions

What notes are in the G Iwato Scale?
The G Iwato Scale has 5 notes: G, Ab, C, Db, F.
What is the formula of the iwato scale?
1 ♭2 4 ♭5 ♭7, which is the step pattern H 4 H 4 W (W = whole step, H = half step).
Where do I play G Iwato on the guitar?
The root G is at fret 3 on the low E string and fret 10 on the A string. Position 1 (the E shape) covers frets 3–6, and four more positions connect it up the neck.

Iwato Scale in every key

More scales in G