#576 README's example usage of timidity

[Hĺkan Lindqvist]

The README says:
timidity -iAqqq -B2,8 -Os1S -s 44100 &

At least on my machine that just gives garbled, heavily
distorted output...

I would suggest removing "-B2,8" (the default value,
whatever it is, works fine for me) or at least adding a
note that one might have to experiment with that value
to get good results.

[Max Horn]

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Endy, you know anything about this?

[James Brown]

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Not a thing, I don't use timidity - always adlib and adlib-midi
emulation

Dumping back into the pool.

[Jonathan Gray]

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the setting listed in the readme works fine here, but
updated the readme nonetheless with your suggestions