The first 30 seconds of the staged video however, has a dramatic sound bed piece to set the scene for the eight flying robot quadcopters.
These toy scale flying bots are completely autonomous, meaning that they are controlled by a computer programmed with instructions to play the instruments.
Nevertheless, you can be rest assured that there was more than one human involved in the making of this clever performance, The video was Produced and Directed by Kurtis Sensenig and the Quadrotors and Instruments by Daniel Mellinger, Alex Kushleyev and Vijay Kumar.
The moot point of this demonstration is about researchers and engineers figuring out the actual mathematics and 3D geometry implied in coordinated swarm behaviors of birds fish and insects.