To learn Santana - El Farol chords, anchor your practice on these foundational sequence of chords - Am, Dm, E, Am, G, Em, E, Am, F, Dm and G. A strategic approach would be to train at 51 BPM initially, and then accelerate to the song's tempo of 104. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: A Minor.