it's just the same thing over and over again.
G:-14-14--12-12--9-9--12-12---14-14--12-12--9--12|
D:-----------------------------------------------| x2
A:-----------------------------------------------|
E:-----------------------------------------------|
after he plays this twice on his little guitar, he sings it:
"i don't care what your momma says, christmas time is near"
and so on and so forth.and then he plays it while jimmy fallon does the keyboard, chris kattan holds it and tracy morgan dances around. it's not played on bass, but i figured it out for the heck of it