|Mechanism||Drum (crank or wind-up)|
|Buy a music box with Blackbird|
This mechanism plays the tune Blackbird (The Beatles). You can include this mechanism in any of the following music boxes.
If you choose a crank mechanism, the music will sound only while you crank it, being able to control the speed. If you choose the wind-up mechanism, it will automatically play when the box is open, as long as it's winded-up.