As the leader of the jazz - ethnic band Mamar Kassey , he is one of the best - known Nigerien musicians outside Niger .
Yacouba Moumouni is a Nigerien singer and flautist .
As the leader of the jazz - ethnic band Mamar Kassey , Yacouba Moumouni is one of the best - known Nigerien musicians outside Nigerien .
Yacouba Moumouni is a Nigerien singer and flautist .