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For example, the saxophone is typically made of brass, but is classified as a woodwind instrument because it produces sound with a vibrating reed.

Woodwind instruments ( recorders, flutes, oboes, clarinets, saxophones, and bassoons)Īlthough brass instruments were originally made of brass and woodwind instruments have traditionally been made of wood, the names refer to the method by which a player produces sound rather than the material of the instrument, which may vary.

Brass instruments ( horns, trumpets, trombones, euphoniums, and tubas).

Wind instruments are typically grouped into two families:

Making the column of air vibrate at different harmonics without changing the length of the column of air (see natural horn and harmonic series).Īlmost all wind instruments use the last method, often in combination with one of the others, to extend their register.

This method is used in nearly all woodwind instruments. This can be done by covering the holes with fingers or pressing a key which then closes the hole.

Changing the frequency of vibration through opening or closing holes in the side of the tube.This method is used on the trombone and the slide whistle. Changing the length of the vibrating air column by lengthening and/or shortening the tube using a sliding mechanism.This method is used on nearly all brass instruments. Changing the length of the vibrating air column by changing the length of the tube through engaging valves (see rotary valve, piston valve) which route the air through additional tubing, thereby increasing overall tube length, lowering the fundamental pitch.These instruments can play several notes at once. Using different air columns for different tones, such as in the pan flute.1 Methods for obtaining different notes.