Personalized Trombone Music Joke Newborn Layette. Trombone silhouette on a Newborn Layette - White with funny music joke that says The Rest Is Just Accompaniment. 100% combed ringspun cotton 5.8 ounce 1×1 baby rib sleeper. 3/8" flatlock binding at envelope neck and cuffs. Back sleeve flap to protect hands. Elastic opening at bottom. Infant: 0-3 Months