Personalized Trombone Rocks Women's Plus Size T-Shirt. Cute Trombone Rocks Women's Plus Size T-Shirt - White has a cool butterfly logo for the trombonist in band, jazz band and orchestral groups. Get matching trombone gifts for your music section. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)