The breath pad
Press and hold the pad: the drone starts and keeps going. Left to right moves your mouth from oo to ee, which moves the resonances of the sound, the wah that didgeridoo players make with their cheeks and tongue. Up and down changes the pressure, from a soft hum to a strong buzz.
Toot and voice
Blow harder and the tube jumps to a higher note, the toot, about a tenth above the drone. Sing into the tube while playing and a growling voice joins the drone. Press Toot or hold Voice, or use T and G on the keyboard.
Rhythmic pulses
Didgeridoo rhythm comes from the mouth, the tongue and the breath, not from changing notes. Loop one of three pulses written by GOONS and hear the drone come alive with vowels, toots and growls on the beat, then play the pad over it.
Four drones
A didgeridoo plays the note set by its length and bore, usually low in the bass. Choose a drone in C, D, E or F, as if you picked up a longer or shorter instrument.
Circular breathing, built in
Players keep the drone going by breathing in through the nose while pushing air out with the cheeks, a technique called circular breathing. Here the drone never runs out of air, with the slow swell of the breath underneath.
Fingers or keyboard
On a phone or tablet, hold the pad with one finger and press Toot with another. On a computer, hold Space for the drone, tap T for toots, hold G for the voice, and press 1 to 5 to jump between vowels.