31431312 and then back down
Going up: 3rd E flat, 1st F, 4th G, 3rd A flat, 1st B flat, 3rd C, 1st D, 3rd E flat. To go back down, you would just play the notes in opposite order (i.e. E flat, D, C, etc.).
Slide positions for a B-flat major scale.
3,1,4,3,1,4,3,4,1,3,4,1,3
Slide positions for B-flat tenor trombone concert pitch to middle C: C (6th), D(4th), E(2nd), F(1st), G(4th), A(2nd), B(4th), middle C (3rd)
A-flat Major scale
The Keys of B-flat, E-Flat, A-Flat, D-Flat, G-Flat, C-Flat, and F-Flat major all contain the note E-flat. F-flat major is a key which only exists in theory and not in practice, since there is a double flat in that scale (subdominant). The major scale with the most flats is C-flat major - with all seven flats.
The notes and positions for A-sharp are exactly the same as for B-flat.
Slide positions for a B-flat major scale.
For the B flat scale which is the most common for beginners: 1 6 4 3 1 4 2 1
3,1,4,3,1,4,3,4,1,3,4,1,3
Slide positions for B-flat tenor trombone concert pitch to middle C: C (6th), D(4th), E(2nd), F(1st), G(4th), A(2nd), B(4th), middle C (3rd)
A-flat Major scale
The subdominant in a scale is the 4th, which in the key of B-flat major is E-flat.
C flat Major
Your question doesn't make much sense. But for any scale, "do" would be the first note of the scale, which is whatever the scale is called. But for a flat major, from what it sounds like you're asking, the note would be a flat. Ex: In B flat major, "Do" is b flat.
e-flat major
The Keys of B-flat, E-Flat, A-Flat, D-Flat, G-Flat, C-Flat, and F-Flat major all contain the note E-flat. F-flat major is a key which only exists in theory and not in practice, since there is a double flat in that scale (subdominant). The major scale with the most flats is C-flat major - with all seven flats.
Eb Major