Gb, Ab, Bb, Cb (same as B), Db, Eb, F, Gb.
To play a Db scale on trombone, start by finding the positions for each note of the scale. The notes in the Db major scale are Db, Eb, F, Gb, Ab, Bb, and C. Begin with Db in 4th position, then move to 2nd for Eb, 1st for F, 4th for Gb, 2nd for Ab, 1st for Bb, and finish in 3rd position for C. Practice the scale ascending and descending to develop fluidity and accuracy.
The notes of the blues scale in the key of C are C, Eb, F, Gb, G, Bb.
It depends on your particle, but it could be Ab, Eb, C, Gb, and some really confusing high notes.
Gb, Ab, Bb, Cb, Db, Eb, F, Gb
Gb, Ab, B, Cb, Db and Eb.
Db, Eb, F, Gb, Ab, Bb, C, Db.
Cb, Db, Eb, Fb, Gb, Ab, Bb, Cb
Gb, Ab, Bb, Cb, Db, Eb, F, G
A "blues scale" consists of the root, minor third, fourth, flatted fifth, natural fifth, minor seventh and the root again. The notes for the C Blues Scale would be C, Eb, F, Gb, G, Bb and C again.
C, Eb, F, Gb (or F♯), G, Bb and back to C.
Db Eb F Gb Ab Bb C Db The positioning is 5-3-1-5-3-1-3-2
Gb, Ab, Bbb, Cb, Db, Eb, Fb and Gb. Bbb means 'B flat' flat.