D'Addario Pro Arte Bowed violin string A-2 4/4 id: 15338 sku: J5602-44M brandname: D'Addario series: Pro Arte Bowed Details Videos Documents violin string A-2 4/4, medium, aluminum wound youtube D'addario history D'Addario violin strings tension chart D'Addario silking colors chart D'Addario violin strings comparison