Personalized Worlds Best Trombone Player Women's T-Shirt. Cool trombone player gift has Worlds Best trombone saying in two tone sports style design and comes on this fun trombone Women's T-Shirt - White gift for your trombonist in marching band or jazz groups. Classic ladies' styling with a feminine neckline, sleeves and fit. 5.0 oz., pre-shrunk 100% cotton. Double-needle stitching throughout