Those Chinese songs are adapted from foreign songs.

da da da 眉飞色舞 (summer dance) by Lee Jung-hyun, and 换

三人的舞会（陈冠希） 一条龙（任贤齐） 纯情（高耀太） These three songs are the same

Grey Space (灰色空间) is 假如爱有天意

And there are so many more, what is the first time I loved you（the day you went away).

The love affair and I believe

super star (chinagirl)

Vixen (Mina - pick up the phone)

Over the moon (BLUE - all rise)

Gray space is If love has a heavenly will

There are many more. -All rise)

No fear no fear (O-ZONE - Dragostea Din Tei)

I am your Romeo (Hey Juliet Olympus commercial)

Seven flowers i only want to be with you (same name) ``````````````` alas too many to remember ``````````````````