Personalized Keyboard Chick T-Shirt. Keyboard Chick T-Shirt - Navy Blue are a funny gift design for pianists, keyboard rockers, piano teachers and students in concert and jazz band! Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.