I have a number of instances of the same occurrence. One example is a AC/DC Who Made Who. Its ripped from a 1998 copy of the CD into one folder and the key metadata (Artist/Title etc) is loaded during the rip process, its all consistent.
After SongKong has processed it, it puts 8 tracks into "Who Made Who (1998)" but puts track 7 into "Who Made Who (2003)". I can't figure out why it should do this. Nor can I figure out a slick way of sorting it all out, short of manually editing the metadata for each of the odd tracks and moving it to the correct location. I've identified a number of incidents of this anomaly and don't fancy having to resolve it file by file.
Any thoughts/suggestions as to how to prevent it (other than not putting the year in the folder name) or how to resolve it, now that its happened.