The Logic Off Topic list

When I am making a track on Logic 5 Platinum i have been using the 
EX1 and EX2 but I also noticed onthe File menu "Drumsets Library 
Iso."I tried to access this and it came up as alittle environment 
window with things saying "Korg Drums" etc. It also had a help box 
saying "Copy the ones you want onto your mixer and press 2-6 and an 
environment page will appear" or something along those lines. I 
copied using copy and paste a Korg Drumset onto the mixer and it 
said "replace channel?" I said yes and the channel dissapeared. When 
I went back to the arrange page it said Korg Drumsets on the channel 
so i created a hyper editor and it had all these different drums on 
the keys but ewhen i clicked on a key it didnt have any sound so i 
thought I was doing wrong. Am i doing the right thing? Can anyone 
explain how I access these different drumsets on to my track to play 
them through one of my channels please? I would like to see what 
different drums Logic has.