To learn Marcos Witt - A Quien Ire chords, begin by getting comfortable with these sequence: G, A, D, A, D, Bm, G, D, F#m, G, A and Bm. I suggest starting at a calm pace of 42 BPM, and as you gain confidence, approach the song's BPM of 84. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: D Major.