How do you GB scale on trombone?
Two Octave Gb Trombone Scale
Start on low Gb( 5th position), Ab( 3rd position), Bb( 1st
position), BNatural for Trigger T-Bones( T1 2nd position), for
P-shooter T-Bones( 7th position), Db( 5th position), Eb( 3rd
position), F( 1st position), Gb( 5th position), Ab( 3rd position),
Bb( 1st position), BNatural( 4th position), Db( 2nd position), Eb(
3rd position), F( 1st position), Gb( 3rd position).