Learn the basic chords of 許冠傑 - (電影半斤八兩歌曲) 半斤八兩 chords, with this master sequence: Em, C, D, G, Em, D, Em and G. To master the tempo, it's wise to start at 61 BPM before aiming for the song's 122 BPM. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: D Major.