I believe he is using a style that features guitar arpeggios rather than he plays the guitar himself, isn't he?

http://www.korgforums.com/forum/phpBB2/viewtopic.php?t=28340&sid=01db82554f9a9bbde999b911a5de0e51

I wouldn't know but....why not ask NEDIM Im sure he will tell you his technique using the Guitar mode.

Burkels... Guitar Mode on the Korg is similar in some ways to the Roland method, but they take it one step further, and allow you to trigger the mode from the arranger section. It is a huge improvement for arranger players over the Roland method, that only allows you to play it 'live' or record it into an SMF.

We should try to get Roland to address this, as they were the first to come out with this kind of technology, but have been left behind by Korg in it's usability.

Diki...good post ....
who knows things are changing very fast we'll see soon enough.
This NEXT winter NAMM is gonna be a doozie Scott do you have your ticket we need a man inside