Incidentally, they were both composed by the 2 singer-songwriters whose heyday were back in the 80's. They've got great melodies and feature new artists. Ironically, they are both treated (relatively) coldly by the media.
This shows that the 80's popstars still got it. This also shows the future of HK music industry is....
Relativity - Hins Cheung featuring George Lam
Studio version
TVB live version