By Paul Tanner and Major Herman Vincent in collaboration with James D. Ployhar. For Trombone. Brass - Trombone and Baritone Method or Collection. Student Instrumental Course. Level: Advanced Intermediate. Published by Alfred Publishing.

By Bill Laas And Major Herman Vincent In Collaboration With James D. Ployhar. For Baritone. Brass - Trombone and Baritone Method or Collection. Student Instrumental Course. Level: Advanced Intermediate. Book. 40 pages. Published by Alfred Publishing.