Personalized Music Rules Women's V-Neck T-Shirt. A jumble of colorful music notes and the text Music Rules is a fun gift design for musicians and music lovers at birthdays and holidays. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit