This is NOT Muzak (how dare you! hee hee hee!...)...this is Rockabye Baby, a spin on favorites from David Bowie ("Space Oddity" below will loop me to sleep tonight!) and current chart toppers like Pharrell Williams' "Happy" (avails in June):



Maybe Jay Z's "Empire State of Mind" could help your lil' one get their sleepy-sleep on: 


An innocent enough version of Pearl Jam's "Black":