To start learning Hailey - Kumang chords, build your understanding on these basic chords - Gb, F, Bbm, Ab, F, Bbm, Gb and Ab in sequence. A strategic approach would be to train at 70 BPM initially, and then accelerate to the song's tempo of 140. Adjust the capo based on your vocal range and chord preference, keeping the song's key of Bb Minor in mind.