[TheOtherHobbes]

After a false start called the ZZ-1, the FZ-1 was the eventual output of an R&D project called Cosmo. Isao Tomita and some of the YMO people consulted on it.

https://encyclotronic.com/synthesizers/casio/casio-cosmo-syn...

https://acreil.wordpress.com/2018/12/09/casio-cosmo-synthesi...

You could do all of this today with a VST.