I can not sleep because my baby is sleepy. At that time, friends who will be a little help. Gently press the tummy heart, a faint light will light, a lullaby will flow, the sound of the sea bubbles will puff … When the medley performance for about 5 minutes is over, the sound and light slowly disappears, inviting the baby to happy sleep. Tracklist (8 songs) ? Lord, the pleasure of a person’s desire (Bach) ? Tune of Minuet (Bach) ? Song of joy (Beethoven) ? Canon, D major (Bach) ? Sparkling Jack ? Golden Slumber ? Sleep, Baby, Sleep (From Amazon.co.jp)