It would be much easier to answer your question if you told what the number is tracking! A tracking number for what?
It starts out as Eb Eb D Eb F G C C D Bb Bb C D Eb Eb D Eb F G C C D Bb Bb C Bb Bb D C
EB-000.001 to EB-705.753 1937
I cant give you a site for the music, but playing it by ear I think it starts on Eb.. and goes something like this: Eb Eb Eb Eb Db C Db Eb B Ab.. The rest you can work out for yourself - its a pretty simple riff for the trombone, all around 3rd position.
Eb Major
Any scale in which the tonic note is flat. (Bb, Eb, Ab, etc.)
C natural. It goes C Eb Bb
Eb Eb Eb Bb C C Bb G G F F Eb Bb Eb Eb Eb Bb C C Bb G G F F Eb Bb Bb Eb Eb Eb Bb Bb Eb Eb Eb Eb Eb Eb Eb Eb Eb Eb Eb Eb Bb C C Bb G G F F Eb Bb Bb C Bb D Eb
first row: Eb Eb Eb F Eb Eb Bb C Bb C ? Eb Eb Eb Eb Eb F Eb Eb Bb C Bb C ? Eb Eb I don't know the second row
Eb Eb Eb F G F Eb G F F Eb Eb Eb Eb F G F Eb G F F Eb
G G G G F F F Eb Eb Eb Eb G C C C C Bb Bb Eb D Eb F G F G G G G F F F Eb Eb Eb Eb G C C C C Bb Bb Eb F Eb F G Eb
EB from Harry Potter is EB.
G Ab Bb Bb C D Eb Eb G Ab Bb Bb Bb C Bb Ab Ab G Bb Eb G F Ab D Eb Eb F Eb D Eb C C Eb F Eb D Eb C Eb F G F G F F F D Eb F Eb Db C Bb G Bb Eb G F Ab D Eb