Personalized Worlds Best Trombone Player Baby Bodysuit. Cool trombone player gift has Worlds Best trombone saying in two tone sports style design and comes on this fun trombone Baby Bodysuit - Heather gift for your trombonist in marching band or jazz groups. Our unisex 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.