Larsen viola strings are produced in Sweden and boast a warm sound that is perfect for instruments that are bright and need a little more warmth. With a fast break in period, they remain stable and reliable. The Larsen A string is especially popular in mixed sets. This string has a clean tone, full of warmth. Responsive action makes for a ease of playing for the left hand. The break-in time of the string is fast, so there's no sweat putting one on just days before your next big recital.