I absolutely love this song, along with the movie.  I've been dying to do a cover of this and I finally managed to find the instrumental for it.  The link to the original is below.

Original Instrumental Video: http://www.youtube.com/watch?v=VsTbze4x-s4

I OWN NOTHING BESIDES MY OWN VOICE

"Tency Music as made famous by Julie Fowlis-Touch The Sky Instrumental with lead vocals", sound recording administered by: TENCY MUSIC SAS
Brave © Disney