This is one example of why I think the Animusic guys are also producing short pieces of fiction with each music vid; if you can take your eyes off the instrument itself, you might notice that the room it's in is on a planet with two moons*. It's this world-building aspect that makes me happy, 'cause it gets me thinking about what sorts of culture and beings would produce an instrument like that?
*[eta: oop! No, sorry -- that's three moons...]
*[eta: oop! No, sorry -- that's three moons...]