TubeNet

Schubert's Sehnsucht, D.656, is presented here in an arrangement for brass sextet:

http://www.youtube.com/watch?v=c-_Ak5MMKQw

Without a positive reply from Q-Brass, the performers on YouTube:

- Who is the arranger?
- Who is the publisher?
- How/where can one get the parts for this?

Thanks very much.