help, please

Hello everybody,
can anybody tell me a good source (also on the web)
containing any overview of original tunings from AFRICA?
Thanks.
Jan
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J a n H A L U S K A
e-mail: jhaluska@mail.saske.sk
personally: http://www.saske.sk/MI/eng/haluska.htm
some math&music preprints (4,28,29,30/1996): http://www.mat.savba.sk
project TONE SYSTEMS: http://www.saske.sk/MI/project/proj-hal.htm
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