choreographed to the rhythm of the music. Their performance is both coordinated and
skilled; the dancers are well rehearsed, and the choreography well suited to their abilities.
They are no ordinary dancers, however, and this is not an ordinary stage. The performers
are quadrocopters, and the stage is the ETH Zurich Flying Machine Arena, a state-of-the-art
mobile testbed for aerial motion control research (Figure 1).