[r-t] Kent and Oxford variations

[Glenn Taylor]

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I understand that there are Killamarsh, Worcester, Granta and Liversedge
variations but I thought that Killamarsh was now regarded as a method in its
own right. Granta was, I think another way of keeping the tenors off the
front. Can anyone refresh my memory?
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Didn't somebody once do a little booklet about these? John Longridge? Giles
Thompson?

Glenn