| An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without a human pilot on board.
In music, a drone is a harmonic or monophonic effect or accompaniment where a note or chord is continuously sounded throughout most or all of a piece.
This musical realization (Drone 3.1) was electro-acoustically recycled from the audio signature of the General Atomics MQ-1 Predator.
The drone of a drone.
For many people around the world it is the official soundtrack of American foreign policy.