To learn Los Mustangs - Cien Anos chords, your first step should be understanding these chords - D, A, Bm, Bbm, Am, D, G, Am, Bb, G, Eb, G and B in sequence. Start slow with ChordU's Free Tempo controller and increase your speed as you get comfortable. Considering the song's key of G Major, position your capo to suit your vocal and chord preferences.