No worries... I get where you’re coming from Ted, but you have to admit, your perspective on this seems to be extremely skewed by how limited your playing ability seems to be. There’s no shame in this, everybody has their level, but I have to wonder, if you had put the level of effort and ingenuity you used to cobble two arrangers together to do a sort of chord sequencer together into learning better left hand technique, or being able to utilize a bender well (and that hardly needs much LH skill at all) where might you be today?
From how quickly you abandoned the idea, it’s obvious it’s far more effort than it’s worth, but being able to play chords with more conventional fingering for one thing frees you from one of your main gripes, being locked into one particular brand’s one finger chord system over others. To me at least, it seems like the time you spent trying to achieve a sort of preset chord sequencer (which, while useful, still doesn’t achieve the instant chord sequencer implementation that was the only form of the idea until they started allowing them to be stored, just a few short years ago) could have been spent achieving a more long term useful goal...
It’s odd how quickly we accept our limitations, and then spend a lifetime tediously catering to them rather than eliminating them! It takes about the same amount of effort... Just imagine if those weeks of putting this together had have been spent practicing bending like a sax player, or a slide guitar, or a synth! That would have been times well spent... for the rest of your life. 😎
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An arranger is just a tool. What matters is what you build with it..!