変イ 長九コード
記号: Abmaj9
ダイアグラム
五線譜
Staff Notation
ピアノ鍵盤
ギター
音程
| 音名 | 音程 | 半音数 |
|---|---|---|
| 変イ | P1 | 0 |
| ハ | M3 | 4 |
| 変ホ | P5 | 7 |
| ト | M7 | 11 |
| 変ロ | M9 | 2 |
About the 変イ 長九 Chord
The 変イ 長九 chord is built from the notes 変イ, ハ, 変ホ, ト, 変ロ. These notes are derived by stacking intervals above the root note 変イ, following the interval pattern that defines every 長九 chord. Understanding how a chord is constructed from intervals is one of the most valuable skills in music theory, because it allows you to build the chord in any key and recognize it in any context.
You can use this chord in a variety of musical contexts. Try exploring the scales that contain these notes to discover which keys this chord naturally belongs to. Each scale listed above shares all the notes of this chord, making it a diatonic chord within that key. Understanding these relationships helps with songwriting, improvisation, and arranging.