By Megan Westberg | From the March-April 2021 issue of Strings magazine Pirastro initially released its Perpetual line as a set for cello in 2016. The company has now completed the line by bringing its viola set to market, after violin and bass sets made their appearances in 2018 and 2019 respectively. Pirastro describes Perpetual … Continue reading Pirastro Completes Perpetual Line with New Perpetual Viola Strings Designed for Volume and Projection