Bi Rain on a variety show WIN WIN

You all know about the international Hallyu star Bi Rain aka Jung Ji-Hoon right? 
I've found an interesting show for the ones who missed it

All about Rain:

Part 1
http://www.youtube.com/watch?feature=player_embedded&v=Lkm2gjqiH8g

Part 2
http://www.youtube.com/watch?feature=player_embedded&v=IzLlbPulevw

Part 3
http://www.youtube.com/watch?feature=player_embedded&v=ZQp_NndK9A8

Part 4
http://www.youtube.com/watch?feature=player_embedded&v=cNwqiJ9MpSU

Part 5
http://www.youtube.com/watch?feature=player_embedded&v=7gaX9n-ZXRI