To jam and learn the simple chords for 半吨兄弟 - (烟嗓版) 老男孩 chords, practice playing A, D, E, A, F#m, C#m, F#m, Bm and E in sequence. A good strategy is to initiate at 38 BPM and then accelerate to the track's regular speed of 77 BPM. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: A Major.
