J56-44M D'Addario Pro Arte Bowed violin string set 4/4 J5602-44M D'Addario Pro Arte Bowed violin string A-2 4/4 J5603-44M D'Addario Pro Arte Bowed violin string D-3 4/4 J5604-44M D'Addario Pro Arte Bowed violin string G-4 4/4