Oorspronklik: Twenty-Four Studies in African Rhythms, No. 3. 21st Century, Jazz, Ragtime, Repertoire, World. June 2009 issue. Advanced.
Vertaling: 21ste eeu, Jazz, Ragtime, repertoire, Wêreld. 21ste eeu, Jazz, Etudes en oefeninge, Wêreld, Afrika. Piano Metode bladmusiek.