Yea, it's a Novation (Ampify Music) Launchpad app sample pack. The piano and vocals are all part of the pack, however not sure if you can get the pack outside of the app. It's called Twilight Crossing (which is even funnier that Will Be Ceen called the track the exact same thing! LOL)
It doesn't even say who does the vocals, because I agree, they are beautiful, and I'd love to get more of her vocals.
What I do is build part of the track in the app and then add lots of elements, in this case the drums and percussion. So that's why it's the same piano and vocals.