Belwin Elementary Band Method (Trombone (Bass Clef)). Composed by Fred Weber. Edited by Nilo W. Hovey. Concert Band. For Trombone (Bass Clef). Concert Band Method; Method/Instruction. Book. 40 pages. Published by Belwin Music (AP.EL00188).
This method was designed for the development of the individual player, the ensemble, and the complete band. It is published for all band instruments.