Sometimes, when I do Alzapua, I can not produce clean sound, there're still I heard my thumb's nail picking. Usually, I use it while I'm playing (or learning with) some regular chord, like E major. ...
I'm a beginner classical guitarist (I have been playing the instrument itself for a while) in the middle of learning Villa-Lobos Etude No. 2. I just wanted to know how I should be playing the ...