The director of the online version bought a harmonica and wanted to know more about the development of harmonica in Hong Kong. He learned about Leung Yat-Chiu, arguably the Father of Harmonica in Hong Kong. A major proponent of harmonica, the well-known Leung taught over ten thousand students. He promoted the harmonica through the radio and made it into one of the most popular music instruments at the time. James Wong Jim, a renowned Hong Kong composer was also a disciple of Leung Yat-Chiu.