Woah, I can barely hold a steady note on a pair of wine glasses, let alone thirty! It must take forever to tune, and to learn the note configuration. The link is below, just click on ‘video’ and be amazed!
http://www.goodwatermusic.com/
The instrument is called a glass harp (Glasharfe in German; also called musical glasses, singing glasses, angelic organ or ghost fiddle). I love strange instruments like this. As always, there are some YouTube clips after there jump.
And this was in the Related Videos section.