Omny Studio can import/retain the following ID3 metadata fields during the clip upload process.
Clip title = ID3 title
Clip description = ID3 comments
Clip link URL = ID3 URL
Clip artwork = ID3 artwork
Clip chapters = MP3 ID3 chapters or Adobe Audition XMP cue-points
* Please note that this is only for uploads via the Omny Studio interface via the browser, not via the API currently.