A medium-difficulty piece for 2 guitars or for guitar / violin/ flute duet written on the basis of 'Estudio Nº 5' de Fernando Sor

Here is a link to a YT video of this piece played by Maestro Merlin :

https://www.youtube.com/watch?v=FssV6aX4fCM&list=PL25kC1BTRBxvMOkcPncIuHVL98edgerzP&index=59

http://www.youtube.com/watch?v=jrQa7Ao2kpg&feature=colike