An example is TMF Hitzone 17.

If I go to the tab, The field with the FreeDB Disc ID is empty.

The source is MP3. I ripped them a long time ago from my CD collection. I guess this is the problem. My older rips don't contain MP3 tag information.

If I search on freedb.org using their beta search engine I find multiple ID's. Eg. misc / 25103b13 .

I expected that if the "Download CD Info" function doens't have a disc ID, it will search with a certain pattern based on