To jam and learn 梦然 - 没有你陪伴真的好孤单 chords, your primary focus should be mastering these chords sequence: Em, C, D, Bm, Em, D and Em. Set your pace at 41 BPM initially and then sync up with the song's BPM of 83. Given the song's key of E Minor, adjust the capo to align with your vocal range and chord preference.