B♭ – C – D – E♭ – F – G – A♭ – B♭
Where you are with it
Bb7 · Bb9 · Bb13 · V chords
Major with a ♭7. This is the sound of every dominant chord in a blues.
Band calls concert B♭? On B♭ trumpet play C.
Learn dominant 7 licks that use B♭ mixolydian.
● valve down · ○ valve up