Alkuperäinen: Tango Collection for Violin and Viola, Vol. 1. Lita. Viola sheet music. Violin sheet music. For violin and viola duet. This edition.
Käännös: Viola nuotteja. Viulu nuotteja. Tango Collection for Violin and Viola, Vol. 1 edited by Christoph Emmanuel Langheim. Tämä painos.
