Johann Bach's cello suites are quite possibly some of the most beautiful pieces ever written for the cello.
They have gorgeous chord progressions, wonderful fluidity, and a beautiful (usually quite calming) atmosphere.
So, give them a listen and enjoy!
Here's the Prelude to the first suite, as interpreted by Mischa Maisky...
http://www.youtube.com/watch?v=S6yuR8efotI
