(youtube) Whilst the plinky-plonky version is definitely recognisable, it does come up against the limits of what can be done. Some of the notes on the player are repeated on different tracks so that they can be played quickly. However, I needed to use some that aren't. You can hear when the music box trips over the repeated note and skips a little.
Details of how this was made can be found here:http://www.instructables.com/id/Custom-records-for-a-70s-toy-record-player/