The William Musical Mobile plays Brahms' Lullaby. Easy to follow assembly instructions are included. Fabric is 100% cotton, care instructions for figures: spot clean only with soft cloth dampened in cold water with mild soap and line dry. Do not machine wash, bleach, tumble dry or ironEasy to follow assembly instructions are included. Fabric is 100% cotton, care instructions for figures: spot clean only with soft cloth dampened in cold water with mild soap and line dry. Do not machine wash, bleach, tumble dry or iron.