Thanks Diki for the comments. I sure wish my Yamaha PSR-S975 has a dynamic arranger function. It all comes down to make the registrations as functional as possible to get the same effect. To be honest: I don't like registrations, I very much like the dynamics of playing live, pushing buttons where appropriate. I guess it is the piano player in me used to make changes on the fly with some solid side musicians helping out. Miss those days!