1. 
   Extempo
   Extempo (also extempo calypso) is a lyrically improvised form of calypso and is most notably practised in Trinidad and Tobago. It consists of a performer improvising in song or in rhythmic speech on a given theme before an audience who themselves take turns to perform. It is inherently competitive ...
   Found op http://en.wikipedia.org/wiki/Extempo
   
   
2. 
   extempo
   Lyrically improvised calypso, a tradition that connects Trinidad to Africa.
   Found op http://www.bbc.co.uk/africabeyond/africaonyourstreet/glossary/
   
   

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