To learn Gustavo Santaolalla - De Usuahia A La Quiaca chords, your first step should be understanding these chords - Gm, Eb, Gm, Eb, G and Eb in sequence. A strategic approach would be to train at 42 BPM initially, and then accelerate to the song's tempo of 85. Adapt the capo setting considering your vocal range, with reference to the key: G Minor.