To jam and learn Bts - Blue & Grey chords, your primary focus should be mastering these chords sequence: Db, Eb, Ab, Db, Eb, Cm, Db and Ab. Start with a comfortable 61 BPM and as you become proficient, aim for the song's BPM of 122. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: Db Major.
