Alec, I think there might be a bit of 'Wire crossing' here. In Alain's first post, he mentioned 'sequencer song format KN6000' but in your reply, you say 'You must have extremely large midi files.'

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Willum
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Willum

After silence, that which comes nearest to expressing the inexpressible is Music.
Aldous Huxley
( especially when the music is played on a KN7000....)