haven't listened to your clip, but read bluebear's article. ;-)
secondly, try applying a highpass filter to either or both of the tracks. that low, low end always clashes between the two and muddies things up--remove it if you don't really need it.
in a nutshell, you'll need to carve out a space for the kick's thump and click in and around the space for the bass guitar, and that always takes some trial and error to learn how to do.
wade