Does anyone know where i can find canon in d major for the piano for free?

You can get them for free at

http://www.pianostreet.com

but you have to register as a silver member first.

:-)

Try 8notes.com

You can download piano sheet music for Canon in D at the Free Sheet Music website
( http://download-sheet-music-online.com/f... )

You could probably learn it by ear very easily.