To learn 谭艳 - (DJ Version) 光明 chords, anchor your practice on these foundational sequence of chords - Db, Eb, Ab, Fm, Db and Ab. Begin your practice at a relaxed 63 BPM, then work your way up to the song's BPM of 128. With the song's key of Ab Major, set your capo to fit your vocal range and chord choice.