To learn 李茂山 - 为什么离开我 chords, grasp the musical fabric of the song with this sequence - D, Em, G, D, G and C of chords. Kick off your practice at a gentle 58 BPM, then escalate to the song's tempo of 116 BPM. Considering the song's key of G Major, position your capo to suit your vocal and chord preferences.