To jam and learn Ohsama - Fukamurasaki Densetsu chords, your primary focus should be mastering these chords sequence: Gm, C, D, A, C, Ab, A, G and D. Ease into the song by practicing at 60 BPM before reaching the track's full tempo of 120 BPM. Configure the capo to your vocal range and chord preference, remembering the key of C Major.