Beethoven and the metronome.

[Enrique]

There will always be something to say about this subject, it seems:

http://www.youtube.com/watch?v=IhD6Zx6FgxM

More metronome:

http://www.youtube.com/watch?feature...&v=ADGmBtLJ6y4

This is on tuning forks:

http://www.youtube.com/watch?v=arP0Jq35dws