Personalized Trombone White Text Shamrock Baby Bodysuit. A shamrock made from the word trombone and small shamrocks is a unique gift design for low brass musicians and music students and teachers on St. Patrick's Day and at Celtic festivals. Our one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.