To learn Jason Walker - Down chords, your first step should be understanding these chords - Bb, Ab, Cm, Ab, Eb, Bb, Cm, Eb and Gm in sequence. To master the tempo, it's wise to start at 72 BPM before aiming for the song's 144 BPM. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: Ab Major.