Themesong4 in Love by Moses Chan
SubthemeClose to You by The Carpenters
Episode 1 Yu Zhen walking @ Mongkok Street: Summerboy by Lady GaGa
Episode 3 'Annie' & Andy wedding clip sequence: Melody Fair by Bee Gees
*New* Close to You (Acappella ver.) by Sregnis Singers
*New* Episode 4, 5 Elsa & Bing Leung theme: Top of the World by The Carpenters
*New* Close to You (saxophone ver.) by Sandro Scuoppo
p.s. I do not mind sharing these mp3 and music with fans for non-profit purposes, but please do not repost the download links at other sites or forums.
Note: I will update this post from time to time, so bookmark this page if you are interested in collecting the OST and music in the series!