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
Mouthpiece (woodwind) The distance between the tip of the mouthpiece and the tip of the reed is known as the "tip opening". The tip opening has little effect on tone, which is more affected by the design of the mouthpiece's chamber (interior space). The "facing" (or "lay") is a curved section that leaves the flat table and continues to the tip of the mouthpiece. The length of a facing—defined as the distance from the tip of the mouthpiece to the point where the reed and mouthpiece meet—can vary. Different facing lengths have different response properties. The reed is held tightly against the