To learn Cómo Callar - Mi Jesús chords, your practice should emphasize these chord progressions: Em, C, G, B, Em, C, B, Em and G. I suggest starting at a calm pace of 44 BPM, and as you gain confidence, approach the song's BPM of 88. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: G Major.