変ロ 減長七コード
記号: BbdimMaj7
ダイアグラム
五線譜
ピアノ鍵盤
ギター
音程
| 音名 | 音程 | 半音数 |
|---|---|---|
| 変ロ | P1 | 0 |
| 変ニ | m3 | 3 |
| 変ヘ | d5 | 6 |
| イ | M7 | 11 |
About the 変ロ 減長七 Chord
The 変ロ 減長七 chord is built from the notes 変ロ, 変ニ, 変ヘ, イ. These notes are derived by stacking intervals above the root note 変ロ, following the interval pattern that defines every 減長七 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.