Changing the subject

http://www.youtube.com/watch?v=825Ekk1u3mQ&feature=related

And, yes I do see music (espeically Chopin) course related. The
course can be taught/learned with or without words.

Even by something written over 100 years ago. A joining, without the
effects of "time".

11.
Thirty spokes surround the hub:
In their nothingness consists the carriage's effectiveness.
One hollows the clay and shapes it into pots:
In it's nothingness consists the pot's effectiveness.
One cuts out doors and windows to make the chamber:
In their nothingness consists the chamber's effectiveness.
Therefore: what exists serves for possession.
What does not exist serves for effectiveness.

Lao Tzu