Personalized Treble Clef Sing Music T-shirts Baby Bib. ocal Musician Treble Clef Baby Bib - Heather Show your love for singing with this fun choir or chorus design. It features a large treble clef sign with fun music themed Sing slogan. Our Baby Bib is rated high in convenience and durability and with a variety of fashionable colors, your baby can be trendy. Mix and match to any outfit. 100% cotton ring spun combed heather colors are cotton-poly. Width 7.75", Length 11.75"