Playtime Music Box - Music CD Baby Einstein. The Playtime Music Box™ music CD is a 20-track, 31-minute concert featuring a collection of up-beat classical melodies and traditional song favourites to inspire your little one to dance, clap and play! Each delightful piece was specially selected and produced to bring musical fun to any activity – playtime, travel time, tummy time and more. Playtime Music Box includes classical pieces such as Rossini's “William Tell Overture” and Schumann's “Happy Farmer,” as well as “Old MacDonald Had a Farm.”. For Newborn Baby months to 3 years. Safe and Natural Toys available from Sophie Giraffe - Natural Baby Toys Store.