Good points .... what your saying above Ian makes all the difference as a player. Years of live stage experience playing with a band is essential besides knowing how to emulate using an arranger keyboard using all the sounds required "played correctly" to make the whole package believable. This is where many players lack knowledge and it will always show when your listening. You have to "think like a "group playing",...."think & know how to" as if you were really playing that instrument playing it "within it's perimeters" also. An arranger is a very complex instrument that can sound fantastic or the complete opposite in the wrong hands as a solo OMB or sitting in the mix accompanying a vocalist.