Pirastro Passione Viola StringsPassione is a powerful handmade gut string for viola. Finely wound and polished, it has a warm core sound combined with a complex overtone spectrum. It has great projection, easy response and offers significantly increased tuning stability vs. traditional gut core strings. Features: The sheep gut core of the Passione strings is manufactured, wound and polished in the traditional way, by hand. Passione strings possess a fascinating diversity of sounds,