I have been longing for the V1 OST, since I much prefer it over that of V2 to be modded into V2, but so far in vain (or so I believe anyway, if I am wrong, do correct me please). But it could be way better yet I think, how about a mod that would enable anyone to add any tracks they want to play in the stead of the default ones?
I personally would really like the horde tracks to be changed and also the Red Moon Inn theme to replace that of the keep, but the more universal the mod, the more people would benefit I am sure.