Today we release SongKong 4.7,this new release has some major improvements to the Fix Songs report, some new options for classical matching and fixes for a number of niggling issues.
Please see http://blog.jthink.net/2017/03/songkong-47-now-with-view-metadata-as.html for an explanation of changes.
See http://blog.jthink.net/2017/03/songkong-47-for-melco-released-24th-of.html for details of improvements to SongKong for Melco Naim rip metadata processing.