We found 6 Reddit comments about Destiny (Original Soundtrack). Here are the top ones, ranked by their Reddit score.
For those not wanting to buy on iTunes or don't have iTunes can buy it on Amazon now.
Darn, I checked for it and didn't see it. Just found it. Feeling dumb... Yet happy!
Soundtrack on Amazon
It's free with Amazon Prime
Also I believe you can listen to it on Spotify as well.
Oh that reminds me! I need to buy the sound track (now that is is on Amazon).
Instead of complaining about problems, work on a solution:
Edit: Just realized you might be an unfortunate Xbox user, so I'll defer to someone else to recommend the equivalent solution on that platform.
Edit 2: Also you could just pick up the soundtrack:
Try this to find the track, with the preview option.