Personalized Viola Mom Orchestra Music Gift Long Sleeve T-Shirt. Viola Mom Long Sleeve T-Shirt - Vintage Black has silhouette instrument for an orchestra mother with a son or daughter who plays the viola. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL