I did the first two styles. Full songs recorded on each keyboard, converted to MP3, the normalized using Audacity. Take a look at the entries with numbers such as
#1 and #2. Should be self explanatory.

I don't know much about FXs. It will become apparent that one of the keyboards has a heavier dose of FXs on the lead voices. Might be fun if I learned about that and played around with it a bit.

Here is the link:

https://www.box.com/s/zx020mz3buwpxx919oxz
Deane