I hope you don't mind that I "improved" your performance. I corrected your spelling (Sueño is masculine and has that nasty diacritic, the tilde). Of course, I am scarcely able to play a note of this piece. Do you want to trade?
About that 20th fret: I've heard some people use a matchstick to simulate it.
Your playing is very beautiful and it's evident that you feel a lot for this music. I like the way you have with the music--a little slower tempo and a softer approach overall.
I have heard a number of big names play this work but the version by Antigone Goni (on the Naxos Barrios CD, vol 1) is something that stands apart. It is among the most impassioned and revealing guitar performances I've heard. I am not much of a player, but if I were I'd listen to other versions to become aware of possibilities I hadn't thought of (and maybe, of course, not want to pursue).
Anyway, thank you for an extended vision of beauty, earned in full measure by the sweat of your brow and by your talent.