This maybe the coolest collections of lullaby's ever! Rock A Bye Baby has turned all of your favorite bands, U2, Matalica, The Eagles, Nirvana, Coldplay, just to name a few, into soothing lullaby's for your babes at bed time. I just downloaded the Coldplay one and my kids LOVE it! This is the perfect baby shower gift, or just because gift. DO yourself a favor and CHECK THIS OUT!!!!