try listening to black ghost- full moon, find it on www.dilandau.com
Well i listened to your linked song and it remined me of the following, But this is a faster tempo track. Seems to be in the same kind of spirit as your piece.
Glad you enjoyed it. :D
Here is a bonus from Enya: Live performance.
Try Philip Glass
Give Michael Nyman a look too. :)
Try Rob Dougan