A Iwato (Japanese)

A Japanese pentatonic scale, 1–b2–4–b5–b7; the minor 2nds 1–b2 and 4–b5 intensify tension.

Octaves

Musical context

How the scale relates to the chord, mode, key and progression.

Theory

General info

Name
A Iwato (Japanese)
Family
Pentatonic scales
Note count
5
Step formula
H – 4 – H – 4 – W
Numeric formula
0-1-4-1-4-2

Notes & degrees

1Aroot
b2Bbminor 2nd
4Dperfect 4th
b5Ebdim 5th
b7Gminor 7th

Construction

Overview
A Japanese pentatonic scale, 1–b2–4–b5–b7; the minor 2nds 1–b2 and 4–b5 intensify tension.
Application in music
The lowered 2nd tends toward the tonic and the diminished 5th toward the perfect 5th; both emphasise instability.
Interval formula
A
H
Bb
2W
D
H
Eb
2W
G

Tensions & resolutions

Stable degrees

IAnominal centretonic

Typical resolutions & tensions

IAA
IIBbBb
Scale degree 2 may descend to tonic; the motion is especially close when degree 2 is lowered.

This scale on guitar 🎸

See how A Iwato (Japanese) looks on guitar.

Explore

Circle of fifths

The major key on the same tonic and its neighbouring keys on the circle of fifths.

CAmGEmDBmAF#mEC#mBG#mF#D#mDbBbmAbFmEbCmBbGmFDmAmajor
Relative key
Dominant
Subdominant
Key signature
3 sharps (F#, C#, G#)

Connections

Practice

Keyboard Trainer

Reinforce it in practice — play and name notes on the interactive keyboard.

Open Trainer

Frequently Asked Questions