I have an enormous collection of music like this, here's a file I made of some of the best :)
Listen to it all the way through if you can; I arranged them into an order so they kind of follow along after each other a little. I know it is kinda big (68 minutes) but meh. I find it really helps you to fall asleep at night.
http://mysite.wanadoo-members.co.uk/paul-music/The_Orchestral.ogg
sorry for the quality, I could probably get a higher quality version available if it's wanted. (I have it lossless on my drive)