To learn Suara - Koiyume chords, your practice should emphasize these chord progressions: Bbm, Db, Gb, Ab, Bbm, Gb, Ab and Fm. Ease into the song by practicing at 73 BPM before reaching the track's full tempo of 146 BPM. Adjust the capo based on your vocal range and chord preference, keeping the song's key of Db Major in mind.