born2die,

“I come from a self taught background of arranger playing where you plunk down 3 4 or a 5note chord with the left hand and then only move your hand when the chord changes I know that this is the easy way to play and I am now interested in how do you play your arranger”.

I feel what you have written above is one the more difficult ways to p[lay the keyboard.

I always use an instrument sound with my left hand. The left hand complements the right hand – Guitar in the left hand sometime strumming while the right has a flute. Strings with my left hand, Violin with my right.
Brass with my left hand, A sax section with my right.

This is organ type playing, it adds more of you to that playing. There are times when I use the left hand to back my singing leaving the right hand for fills.

IMHO, John C.