2000.06.07 - SEASONS
https://www.youtube.com/watch?v=AuZSyBa6phU

2000.09.27 - SURREAL & Duty
https://www.youtube.com/watch?v=0tL8zh2jPxk

2000.12.13 - M
https://www.youtube.com/watch?v=03y-KyezDS4

2001.01.31 - evolution
https://www.youtube.com/watch?v=ZSOl7Jf45As

2001.03.07 - NEVER EVER
https://www.youtube.com/watch?v=ZJPif8HjbkA

2001.03.28 - A BEST
https://www.youtube.com/watch?v=aNBTxE4C6lg

2001.05.16 - Endless sorrow
https://www.youtube.com/watch?v=FbKPVaEdG3o

2001.09.27 - Dearest
https://www.youtube.com/watch?v=VFSeESRAPKU

이시기 전후로도 인기 많았지만 이때 커리어가 어마무시해서