Pirastro Passione Violin StringsPassione violin strings are finely would and polished handmade gut strings with significantly increased tuning stability vs traditional gut core strings. Their powerful sound and very easy response make them a popular choice with violinists. The sheep gut core of the Passione strings is manufactured, wound and polished in the traditional way, by hand. The core sound is full, round and warm and has a complex overtone spectrum causing brilliance and