I have said several times, the way for arrangers to be marketed to youngsters is by style selection. In other words, no ROM Styles... All Styles to be loaded into Flash ROM on customer selection.
So, you have the Modern Pack, a full set of modern beats and grooves, hiphop, dubstep, rap, house, modern rock styles etc., tailored to the under 30 crowd.
Then in the exact same Arranger, a Classic Pack, with the styles that we old farts need and want...
But here's the icing on the cake (especially for the manufacturers) - For maybe $100-200 more, you can purchase BOTH sets of styles. Obviously, these will have to be copy protected (something I've advocated for a long time, to incentivize style producers) or everybody will pirate the other set, but that's nothing that can't be figured out.
But the home organ is the perfect illustration of what happens to a type of keyboard when the manufacturers give up on trying to appeal to younger players. Gone the way of the dodo...
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An arranger is just a tool. What matters is what you build with it..!