I don't know the first thing about music, but this was still fun to play around with. The front end is a work of art. Looks solid and robust. I tried it on my

I don't know the first thing about music, but this was still fun to play around with. The front end is a work of art. Looks solid and robust. I tried it on my iPhone (in Safari) it made a sort of clicking sound with every "beat" or whatever it's called when the line passes over the circles. Other than that, looks great even on iPhone.