HOW TO SLiCE LOOPs

Hi There

Can somebody help me how I can slice loops in Cubase 6 ?

I mean I want export some loop in WAV format and then slice it into one chanel where can I control whole loops using notes in squecenr.

Something like in FL STUDIO :

http://www.youtube.com/watch?v=FBHjUY3JOyI

He can control all notes to create his own tempo of Loop.

Thanks so much Guys

http://www.youtube.com/watch?v=Y1-vDTsmN9M

http://www.youtube.com/watch?v=g-GZQI7cWzg