To start learning One Direction - Back For You chords, build your understanding on these basic chords - Bm, G, D, G, Bm, A, G, D, Bm and D in sequence. A strategic approach would be to train at 80 BPM initially, and then accelerate to the song's tempo of 160. Adjust the capo based on your vocal range and chord preference, keeping the song's key of G Major in mind.