Had been listening this song since as a teen-ager. All the lyrics are in the blood. Hitherto v few singers dare to sing this song for the high dragging keys. Original singers in movie/stage play were late SanMa ZeChang & late Ng Kuan Lai("Cheng Yi & " Dow Mar Dan" ). There were some mistakes on words. Uncle's voice needs updated with due respect. Met SanMa ZeChang in Singapore theatre ,resting room & had conversation with him in Dec 1962. Cheong Kor was a v humble man.Did mention about voice control through nose& second style through throat. Greetings fr Malaysia. Terima Kasih (TQ)