الاصلي: Maurice Vieux. Marcel Vieux was also a professor at the Paris Conservatoire and a soloist at the Paris Opera. Viola. Sheet Music.
ترجمة: Twenty studies for Viola. اللون البنفسجي. ورقة الموسيقى. اللون البنفسجي. VLA. 1884-1951. , a French violist.