John Walsh wrote:
> Roughly, this method will say that two tunes are alike if they have
>approximately the same outline, and "same outline" means that the patterns
>of notes seen on the staff look about the same.
>
The trouble with this is that the shape of the tune is no real guide
to how it sounds. To take a very artificial example, suppose you
go through a tune, and every place where you see an interval of a
fifth, you sharpen the second note to make that interval a tritone.
The overall shape of the tune is very little changed, but it will
sound totally and utterly different. Not that this variation is
something you are likely to come across in the wild, of course:-)
Phil Taylor
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