It's not just Easytag... :(
In my last post, I pointed out the shenanigans that ensue when you use Easytag to update the metadata associated with your FLAC music files. Specifically, I demonstrated how Easytag will silently, and without the opportunity to configure the behaviour, change the name of a tag from COMMENT to DESCRIPTION.
When you then go on to use software which expects a tag to be called COMMENT, this causes problems! [...]