The invention relates to a method of producing parts for woodwind and brass musical instruments using briarwood, either from ther root of branch thereof, said wood being kept moist from the moment it is cut until it is boield in water for 16 hours, dried in anaerobic conditions and cured under cover for at least six months and for up to two or more years. The following parts can be thus produced: mouthpiece, tongue, clarinet barreel, flute head or bell. The aforementioned parts, which are not affected by humidity, better produce and carry the sound. In addition, a wide range of sounds is possible, such as jazz, classical, soloist, orchestra and band.