This picture looks like a celebration of some sort. Maybe a wedding. The lady in the far left with the stick looks like she is doing some fancy moves, that's why all eyes are focused on her. In this larger version we can also see better the details of the popular khanga cloths/ wrappers. - Chemi 9-17-02.
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Also note the all-female audience and the all-male band, at least 5 musicians, 4 percussion players and a horn, probably women singers near by?
Documents the old Taarab practice of empowered groups of women hiring men to play at their gatherings?" - Barghash