For my needs, the difference is - when playing at home I am investing the time and effort required to discover the styles and sounds that allow me to actually enjoy playing the tunes I am working on (and hopefully which do them justice musically). Once I find the settings (styles, tempos, pads, mixes) that I am happy with, these settings will be saved. In contrast, when I take the keyboard to a gig, all I expect to have to do is press a button to select each song I want and start playing it (with everything recalled to the way I worked it up at home). That's all I ask of the keyboard and the rest as always will be up to me.
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Randy
PA4X, SX900 (Baby Genos), Roland U-20, L1 Compact, Way 2 Many Saxes
"My computer beats me routinely at chess - but it's NO MATCH for me at kick boxing!"