"Happy Birthday" movie soundtrack basic information album name record company release date "Happy Birthday" Universal International January 12, 2007 "Happy Birthday" movie soundtrack track number track singer\soundtrack serial number track singer \Soundtrack 01 I wish you Rene Liu 16 Louis Koo by your side 02 Happy Birthday (theme song) Rene Liu 17 Our soundtrack 03 Happy Birthday soundtrack 18 Years soundtrack 04 That year I was 17 soundtrack 19 Lost the soundtrack 05 Xiaomi and Xiaonan soundtrack 20 Heartfelt Louis Koo 06 If I forget you Birthday Louis Koo 21 Wishes Soundtrack 07 Waiting Soundtrack 22 Later... Soundtrack 08 I Miss You Soundtrack 23 Every Birthday Louis Koo 09 Memories Soundtrack 24 No More Responsibility for Your Happiness Soundtrack 10 Etude 1 Classical Music 25 Farewell Soundtrack 11 Confession Soundtrack 26 Brave Soundtrack 12 My Blessings to Louis Koo 27, Missing Soundtrack 13, Etudes 2, Classical Pieces 28, Even Louis Louis 14, Etude 3, Classical Pieces 29, Happy Birthday (Theme Song Performance) Soundtrack 15, Love Soundtrack 30, To be continued...Rene Liu (source of the above information)