To start learning 譚詠麟 - 一個永遠不好的傷口 chords, centre your learning around these elemetal chords sequence: F, G, F, G, C, F, C, Em and Am. To master the tempo, it's wise to start at 40 BPM before aiming for the song's 80 BPM. With an eye on the song's key C Major, set the capo that best suits your vocal range.