Check out Ander's Score for the Big Bang
and her video of the performance
I just came across this article on the Huffington Post that also discusses the celestial sounds.
The article linked to the Ted Talk below
"Tuning Into the Universe" by Honor Harger
There is so much more left for us to know about the sounds above us, let's hope we start to listen more.
To listen to the sounds of the heavens above check out Radio Astronomy, A Project by radioqualia
Live Stream it here