To jam and learn the simple chords for 許冠傑 - (電影半斤八兩歌曲) 半斤八兩 chords, practice playing Bm, Em, D, G, Em, D, Em, G and Bm in sequence. I suggest starting at a calm pace of 61 BPM, and as you gain confidence, approach the song's BPM of 123. Configure the capo to your vocal range and chord preference, remembering the key of E Minor.