There was an amazing 1 minute piece of Mauritanian music by Nema Mint Choueikh and the young Mamma Mint Lekbeid
Heremakono (Waiting for happiness)
Mama Mint Lekbaiet = Mama Mint Ahmed Zaiden
in 2011:
http://www.youtube.com/watch?v=r1_Q5jm3BjE&feature=player_embedded
