Carl Fischer Double Valve Bass Trombone

Carl Fischer Double Valve Bass Trombone, Method for Bass Trombone, For bass trombone with single key in F, double key in Eb, double key in D and independent second key in Gb, By Alan Raph, ISBN 9780825835841, ISMN 9790060064630, publisher's no. CF 4808, Format: 23 x 30.5 cm, 72 pages, Book is in English ...