Uploaded August 2012 | Updated September 2026, 1 week ago
I got this one only because I saw a picture of John Paul Jones of Led Zeppelin with one on top of his Fender Rhodes (Mk I). Not a very interesting organ. It uses a funky proprietary volume pedal that you can never find. I had a technician install a standard on/off + volume knob.
I got this one only because I saw a picture of John Paul Jones of Led Zeppelin with one on top of his Fender Rhodes (Mk I). Not a very interesting organ. It uses a funky proprietary volume pedal that you can never find. I had a technician install a standard on/off + volume knob.









![1970 MATTEL Optigan Program Disc: Pop Piano Plus Guitar (4/4) [69-0002-1]
Sounds from Optigan Music Maker. Get the Optigan app to hear better samples and it works just like the real thing. You can even play the virtual discs upside-down (backwards). Or, get them at optigan.com. 1970 MATTEL Optigan Program Disc: Pop Piano Plus Guitar (4/4) [69-0002-1]](https://i.ytimg.com/vi/j-37VDQ0Xgw/mqdefault.jpg)
![1970 MATTEL Optigan Program Disc: Latin Fever [70021]
Sounds from Optigan Music Maker. Get the Optigan app to hear better samples and it works just like the real thing. You can even play the virtual discs upside-down (backwards). Or, get them at optigan.com. 1970 MATTEL Optigan Program Disc: Latin Fever [70021]](https://i.ytimg.com/vi/k4CQFT-WSQ8/mqdefault.jpg)