I dunno about that one...
In all fairness, between Youtube, Sirius, all the download services, kids today have a FAR larger range of music they could easily listen to. Sure, going out and catching some of the legends live is getting harder and harder to do, but not one of them can complain that they have nothing to listen to!
If they aren't listening to the greats, it's because they are not trying to... it's easier than ever before to do it if you want to!
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An arranger is just a tool. What matters is what you build with it..!