To learn Caifanes - Heridos chords, your practice should emphasize these chord progressions: Bm, D, Em, G, Dm, Bb, Am, Gm, Bb, Am and Dm. Begin your practice at a relaxed 67 BPM, then work your way up to the song's BPM of 136. Fine-tune the capo based on your vocal range, ensuring it complements the key of A Minor.