There is a record button hidden in second 'g' of Google doodle.

Where? Care to point it out with a screenshot?

I get the keyboard too, no ability to record or play back anyone's existing tunes.... odd. Thought maybe it was because I am in Canada? Tried in FF and Chrome.

same here, no record or playback. Chrome 12.0.742.91 beta-m in Australia.

Canada here, too. Google hates us.

Indicated by a red arrow: http://tinypic.com/r/1z2o9kz/7

Weird. That shows up as a keyboard for me, and allows me to use the keys to play.

See: http://min.us/ldmfEC

same in China.

Same in Netherland and France.

Click on the black button with the red dot on the bottom right of the doodle.