C – D – E♭ – F – G♭ – A♭ – B♭ – C
Where you are with it
Cm7b5 · Cm9b5
The sixth mode of jazz melodic minor. Locrian with a natural 2, giving half-diminished harmony a natural 9.
Written C on B♭ trumpet sounds concert B♭.
● valve down · ○ valve up