Piano emulator in HTML5

What about this requires canvas? Seems like it could be done very simply with just divs (and audio elements, of course).

Here is another amusing alternative made using youtube: <a href="http://www.youtube.com/watch?v=oD-sSolVDiY" rel="nofollow">http://www.youtube.com/watch?v=oD-sSolVDiY</a>

Crashes my Chrome OS (beta channel) browser tab, though when it loaded once there was no sound.

This is cool, but I don't know on what planet "C, Eb, F#" is a major chord. Seems to be off by a half-step (i.e. should be C, E, G)?

An amusing alternative:<p><a href="http://sweetmusicapp.com" rel="nofollow">http://sweetmusicapp.com</a>

Didn't freeze for my Opera 11.50. Great job, I like musical tools this this a lot!

Completely froze Opera 11.50 for me.