Metadata on DSF Files

[beckfield]

DSF is not listed as a supported audio format:
https://support.plex.tv/articles/203824396-what-media-formats-are-supported/

DSF metadata

Plex doesn’t read embedded metadata from .dsf files. The only chance you have is to fulfill the requirements for filenames and folder organisation exactly so plex can gather all metadata from these. https://support.plex.tv/hc/en-us/articles/200265296-Adding-Music-Media-From-Folders