Bb Augmented Maj7 Guitar Chord
Bb+Δ7
7ths
·
4 notes
·Symbol : +Δ7
Chord Notes
Bb
R
D
3
Gb
♯5
A
7
Solfège : Sib – Ré – Solb – La
Chord Structure
Bb
2T
D
2T
Gb
T+½
A
About this chord
The augmented major 7th chord accumulates an augmented fifth and a major seventh, creating a doubly colorful alteration. It belongs to the Lydian augmented mode (3rd mode of melodic minor). Its unusual, tense color is prized in modal jazz and contemporary composition.
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