How do I avoid SongKong renaming the title (& artist) of a track?
This way some remixes end up as the original song title, so it's not clear which is what (when look at artst + title tag).
...Or even just rubbish in the title.
You can add Fields such as Title to Format:Only Modify if Empty then the these fields will not be changed unless currently have no value.
I have had a quick look at your problems files and remixes are difficult, i.e differentiating between Feel What You Want (Bingo Players Feel It Remix) and Feel What You Want (Bingo Players Feel It 2 Remix) , especially since if the original file has title metadata because the remix part is often added in various inconsistent ways.
Regarding Sandro Silvas track Payback incorrectly being linked to Epic, this is unfortunately due to the Acoustid linking to both tracks but having more links to Epic.
Sometimes this happens, usually when matching we are matching whole album and this protects against incorrect Acoustid matches, but not when matching single songs.
Looking at this example we should probably use the extra usersubmitted metadata as a way to verify the best linked match. This disadvantage is that an extra call is needed to Acoustid so it only make sense to do this when they are a couple of low quality choices (only 2,1 sources) as in this case. I will raise an issue.