Let's start jamming 許美靜 - 蔓延 chords, familiarize yourself with these chords - G, Cm, Gm, Ab, Eb and Gm in sequence. For best results, commence at 56 BPM and progress to the song's BPM of 112. For a balanced pitch, adjust the capo with respect to your voice and the song's key: Eb Major.