約定: Commitment is Michael Wong's fourth solo album release. It consists of two CDs. The first disc includes new tracks and songs originally written for other singers while the second disc is compiled of piano instrumental renditions of his previously released songs.

''Disc 1 – Vocal side''

''Disc 2 – Piano side and MV''

* 01 Computer Data * 02 Commitment 約定 (Music Video) * 03 It's all you 都是你 (Music Video) * 04 Courage 勇氣 (Music Video) * 05 Fairy Tale 童話(演奏篇) * 06 Heaven 天堂(演奏篇) * 07 The First Time 第一次(演奏篇) * 08 Palm 掌心(演奏篇) * 09 Missing You 想見你(演奏篇) * 10 Oversensitive 多心(演奏篇) * 11 Everytime I Call For You 每一次喊你(演奏篇) * 12 Was It You That Changed? 是你變了嗎(演奏篇) * 13 Sadness Subway 傷心地鐵(演奏篇) * 14 If You Still Love Me 如果你還愛我(演奏篇)

Cover versions

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