Lenjeng is a rhythm and dance that the Mandingo villagers of Casamance Senegal and the Sierra Leone area created during The Great Malian Empire to emulate the flight of the Herons, one of many animal's migrations that helped them gage their days and years.
Again this is a clip from a show I produced in 1998 at The Fine Arts Center in Colorado Springs. The dancers will make it quite obvious which animal is being honored.
Traditionally this rhythm is played on sabar drums which are played with the palm and a stick.
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