Modern didgeridoo designs mouthpiece with a concave face that is close to double the diameter of a regular didgeridoo mouthpiece. This mouthpiece gives a player more room to control the vibration of their lips at frequencies below the traditional drone. The technique is similar to playing pedal tones on a brass instrument. The desired tone is different then brass, and there for the embouchure used to play it is different than brass technique. The most prominent playable note on these instruments is always one octave below the fundamental didgeridoo drone. Several other drone-notes can be played below the fundamental as well, and these
Woodwind instrument pipe instruments since they use two or more double or single reeds. However, bagpipes are functionally the same as a capped double reed instruments since the reeds are never in direct contact with player's lips. Free reed aerophone instruments are likewise unique since sound is produced by 'free reeds' – small metal tongues arranged in rows within a metal or wooden frame. The airflow necessary for the instruments sound is generated either by a player's breath (e.g. harmonica), or by bellows (e.g. accordion). The modern orchestra's woodwind section typically includes: flutes, oboes, clarinets, and bassoons. The piccolo, cor anglais, bass