In general the vox just don't fit very well in the mix. Try using an equalizer on them since they seem to be too upfront and capture too much room sound too. Try removing some of the midrange 350-500hz (in the intro rhythm guitar too). Maybe low cut the vox/guitars below whatever sounds better, sounds like there's some room rumble and bleed in there. The outro instrumentation sounds pretty good. Tune has some potential, first fit those vox in the mix better and keep at it