English Contrabass trombone, from Encyclopædia Britannica 1911 determination method or standard: SHA-1...
English Range of the contrabass trombone, from Encyclopædia Britannica 1911 applies to part, aspect, or form: contrabass trombone determination method...
English Contrabass trombone with double slide, from Encyclopædia Britannica 1911 determination method or standard: SHA-1...