From U-TUBE:Hey Mama - David Guetta ft. Nicki Minaj, Bebe Rexha & Afrojack Beginner's Class1MILLION DANCE STUDIOMinny Park teaches choreography to Hey Mama by David Guetta ft. Nicki Minaj, Bebe Rexha & Afrojack.
http://www.nicovideo.jp/watch/sm37490735