To start learning Azusa - 告白 chords, build your understanding on these basic chords - Ab, Bb, Eb, Ab, Bbm, Gb, Abm, Cm and Ab in sequence. A good strategy is to initiate at 80 BPM and then accelerate to the track's regular speed of 160 BPM. Adjust the capo based on your vocal range and chord preference, keeping the song's key of Gb Major in mind.