ハ 減音階（全半）
ダイアグラム
五線譜
ピアノ鍵盤
ギター指板
音程
| 度数 | 音名 | 音程 | 半音数 |
|---|---|---|---|
| 1 | ハ | P1 | 0 |
| 2 | ニ | M2 | 2 |
| 3 | 変ホ | m3 | 3 |
| 4 | ヘ | P4 | 5 |
| 5 | 変ト | d5 | 6 |
| 6 | 変イ | m6 | 8 |
| 7 | イ | M6 | 9 |
| 8 | ロ | M7 | 11 |
ハ 減音階（全半）のダイアトニックコード
| 度数 | ローマ数字 | コード |
|---|---|---|
| 1 | i° | Cdim |
| 2 | ii° | Ddim |
| 3 | iii° | Ebdim |
| 4 | iv° | Fdim |
| 5 | v° | Gbdim |
| 6 | vi° | Abdim |
| 7 | vii° | Adim |
| 8 | viii° | Bdim |
About ハ 減音階（全半）
The ハ 減音階（全半） contains 8 notes: ハ, ニ, 変ホ, ヘ, 変ト, 変イ, イ, ロ. This scale is built by following a specific pattern of intervals from the root note ハ, which gives it its distinctive sound and character. Understanding the interval structure of a scale is essential for improvisation, composition, and recognizing the scale by ear.
The diatonic chords shown above are the chords that occur naturally within this scale. They are formed by stacking thirds from each degree of the scale, and they form the harmonic foundation for music written in this key. Knowing these chords helps you build chord progressions, understand song harmony, and improvise melodies that fit over each chord. Try the Chord Progression Generator to hear how these chords sound together.