To start learning Once Tiros - Maldición chords, centre your learning around these elemetal chords sequence: G, F#, Bm, G, F#m, Bm, G and Bm. To master the tempo, it's wise to start at 52 BPM before aiming for the song's 105 BPM. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: B Minor.