Windows 10: Can additional metadata choices be added to specific metadata fields?

I've been wanting to add an additional entry suggestion to the ones offered by file explorer when modifying metadata in a file. Let me explain: Every Sunday I modify and upload an .MP3 file of our Sunday service to our church's website. Once I've modified the file to extract and save the actual sermon audio I then go into the properties to add the metadata such as Year, #, Album Artist, Title, Contributing Artist, etc. When you pick certain fields - particularly the Contributing Artist field - when you start tying, suggested artist names are displayed based on the characters you type. Our pa

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MCE and Metadata

WMC and Metadata

I just got my HTPC setup and I just added images for all my movies and I'm working on TV shows. But I now want to add metadata, I tried Yammm, but it did nothing. I would almost liek to just add my own. I want to have synopsis's even for my TV shows which I think all the programs out there only fetch info off IMBD. Any suggestions?

 

Metadata

I don't really know anything about this stuff but I did a search on 'microsoft office excel metadata' and this popped up - Metadata Analyzer. Get the software safely and easily.

 

Entirely New Metadata Fields

Hey, long-reader first-time asker, so I have a huge collection of comic books in digital format (think Marvel, DC, etc.,) and there are lots of instances where characters from one series will appear in another (like Wolverine from "X-Men" makes an appearance in an issue of "New Mutants", etc.,) and I figure I can take advantage of metadata to help with searching - like use a specific field to list characters who appear across all series and issues so, hypothetically, if I wanted to do a search to find every single series and issue Wolverine appears in, I can.

So obviously the files themselves don't support metadata; they're literally just .ZIP and .RAR files that have been renamed .CBZ and .CBR respectively. To get over that hurdle I took advantage of a little custom piece called "File Meta Association Manager" - VERY handy since my wife is a photographer and often works with file formats that don't support metadata, that software makes it possible to add camera data, ISO speed, etc., to pictures that are .PNG format, etc. It basically just enables the metadata feature for whatever file extensions you'd like.

So with metadata enabled I'm brought to my question - is it possible, perhaps through a registry edit, etc., to create entirely NEW fields for metadata? Like I'm thinking instead of "Part of Set" field available to .MP4 files I could create a new field titled "Volume" for a comic book file.

Any ideas or suggestions? Thanks in advance.