1891

Rimsky-Korsakov, in his Principles of Orchestration, includes the following about trombone: “Trombone. Dark and threatening in the deepest register, brilliant and triumphant in the high compass. The piano is full but somewhat heavy, the forte powerful and sonorous. Valve trombones are more mobile than slide trombones, but the latter are certainly to be preferred as regards nobility and equality of sound, the more so from the fact that these instruments are rarely required to perform quick passages, owing to the special character of their tone” (Rimsky-Korsakov 24).