Anna's Favourite Band?

It seems that Anna likes Mumford and Sons as much as the rest of us. Except while Grace, Brian and I like to listen and dance to their music, Anna likes to fall asleep to it. Several times over the past couple weeks I've laid her down awake in her crib, and turned up the music while I'm tidying up in the living room and kitchen. Today she fell asleep to it and as soon as the music stopped, I heard her stirring. I hit play again and she settled and went back to sleep! I think we may need to invest in something we can use in her room to play music; the mobile and other "baby music" devices aren't going to cut it!