turn this on, turn the volume down a little so its not so loud then put this on as well. They have to be playing at the same time to make the mood. [link]
If its not peaceful, I don't know what is.
Also try it with other slow music box versions of songs.
The rain just sets the mood. <3 sorry to those who don't like the rain, rain calms me down a lot so I found the mix very soothing.