To learn John Ottman - (From X2: X-Men United/Score) Suite From X2 chords, these are the chords to practise in sequence: G, Am, F, Eb, B, Abm, Eb, Abm, F, D, Em and C. A strategic approach would be to train at 78 BPM initially, and then accelerate to the song's tempo of 157. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: Eb Major.