Let the iCrib Sound System lullaby your baby to sleep.  This useful device is a speaker system -- perfect for an iPod but purports to support any MP3 player --  that can be mounted on the rails of a baby’s crib .

You can conveniently connect your MP3 player to the holder without removing the iCrib. This device also features settings that manage the sound; auto on/off sleep settings and colored lights display settings.