Personalized Polka Music Matters Women's Plus Size T-Shirt. Funny novelty Polish, German, Czech polka dancing Women's Plus Size T-Shirt - Vintage Red with accordion graphic says POLKA MUSIC MATTERS. Gifts for polka lovers, oompahpah, squeezebox players, polka bands and festivals. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)