Eclipsed by the rise of K-pop and Mandopop, Canto-pop’s popularity went dark for many years, until it found its voice again. For decades, it felt as if the historical performance on July 1, 1997, at Hong Kong’s handover, also immortalised the peak of Canto-pop: When superstars the 'Four Heavenly Kings' and George Lam Tsz Cheung, Alan Tam Wing Lun, Sally.