Sandpaper ballet

['Jacques Malan']

https://www.youtube.com/watch?x-yt-ts=1422503916&v=doV2j3_Amgo&x-yt-cl=85027636

[Myk Rian]

Might be ok, but I'm not going to max my volume to hear it.

[Bruce Page]

I didn't have any problem hearing it. That said, I don't see an orchestral run on sandpaper blocks. :rolleyes: