To learn Saul Proaño - Perdoname chords, begin by getting comfortable with these sequence: A, D, F#, Bm, G, A, D and G. I suggest starting at a calm pace of 40 BPM, and as you gain confidence, approach the song's BPM of 81. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: G# Major.