Sarah Hopkins' Harmonic Whirlies

Links

Here are some links that you may find
useful and interesting:


www.sarahhopkins.com

http://www.australianmusiccentre.com.au/artist/hopkins-sarah

www.exo.net/~pauld
Specifically, HERE you will find
an article on the physics of whirlies.

http://www.mortonmusic.com/news-and-messages.aspx (Sarah's Choral Music publishers)