I find that three is a much easier method to load a large numbers of CD's.
I sedate my 9 year old with about a half shot of nyquil, and tell him that if he can load all the CD's before Conan's over, that he can have the go-kart I promised him for christmas two years ago.
Gunga.....Gunga....GU-Lunga
And since Ernie won't keep count, I will. Hes up to 249, and counting.