Commodore Musical instruments

The SID in teh Commodore 64 can very well be used as the heart of a musical instrument.
Here are shown three examples.

The quite funny clip-on Music maker

No picture

The more professional looking Wersi keyboard.

No picture

Commodore Music expansion system. Only the keyboard is shown, a FM IC based unit is used to produce sound.

No picture

This keyboard can also be used on the Philips Music Modules when a connector is crimped on the flatcable.
This can be seen on the picture below.

No picture

Hans' blog