I think your voice should be louder and should have some effects on it :)
The harmonica is like a cry from days gone by. This song is great. The guitar sounds good and the harmonica as well. Some effects would make it shine though.
Well I'll be darned.
Sir, you are brilliant. I wish you had more publicity. Newgrounds lacks at putting the good musicians on a pedestal. More of this, less techno (or whatever half the crap is).
Once again, your guitar is spectacular. You have quite a skill there sir. Your voice is suitable. It's not great, but I can really feel your emotion through it. It speaks louder than the actual volume. If you catch what I mean.
Once again. Bravo. Bravo.