Oorspronklik: Belwin Master Duets. Whirling Dervish. Whirling Dervish. Trombone. , Volume 1. Keith Snell. Trombone sheet music. Advanced.
Vertaling: Swaai Dervish. Swaai Dervish. Tromboon. , Deel 1. Tromboon bladmusiek. Gevorderde. Tromboon. , Deel 1.