I like your song, but Shad is right about that bass, is there a high pass filter on it? And is it a bass or a VSTi? In either case, you should use a High Pass Filter (HPF) on the bass and the kick. You'll have to play with the HZ and Q, but it should pass down sharply (IMO) below 50 hz or so? So if it starts a little higher can have a more gentle slope.
Again, likewise on the kick, then you can use a sharp Q on a bell filter and look for the best frequencies that Accenture the bass? And cut them from the kick, likewise, find what the kick likes, and cut it from the bass (a sharp Q with anywhere from 4 to 6 db cut.
This should help, I can't tell if there are any other instruments competing in those frequencies? i.e., synths? low strings? I'm not sure how things are panned here either? Any acoustic guitar should have the aforementioned HPF on it? The guitar doesn't do a lot down in this range. Also, the bass and kick (typically down the middle) so if you have an instrument, like a guitar? That has low frequencies? You'll want to have it panned, and you can high pass acoustic guitars pretty agressivly and be OK.
I think there a low tom down there fighting it out with the bass too? Those toms should be panned and EQ'ed to avoid the conflict. I do like the song, I listened several times to dbl chk what I was hearing, but with some simple mix tricks, I think it could really be improved. **DISCLAIMER** However, please keep in mind that anything I say may be wrong! Different people hear things differently and often you will get conflicting opinions on how to improve things. To me, if the mix is tits (totally in tight sync) I'll say so? But if I'm hearing things I think may could help? I'll mention that too.
I really like Voxengo's LF Max Punch on the bass too (it's a saturation plug)
http://www.voxengo.com/product/lfmaxpunch/