Edited by Robert King and published by Alphonse Leduc, 70 Studies for B flat Tuba - Volume 1 by Vladislav Blazhevich contains the first 42 studies out of 70. These studies do not correspond to a method for tuba and it is generallyunderstood that 70 Studies are actually inspired from another piece of work from Blazhevich: Clef Studies for Trombone, even though 13 of these 70 studies did not appear in it. They were not transposed for tuba but adapted forthis instrument. These studies have become p...