here is how the bass sound
http://www.musicofspheres.com/audio/Bas ... ndo24k.MP3
here is their bass chimes look

They make all the way up to more normal sized chimes, which I guess I will start with those. I heard the regular bass chimes at a store the other day. Its amazing how clear and in tune they are.
http://www.musicofspheres.com/chimesizes.html

