Sometimes, in box sets, the metadata does not recognize that the various discs are part of a set and therefore they get treated as separate releases. I have to manually change the media number for each song, then Roon will organize them into a multidisc release. This is quite tedious.
I couldn’t find a way to change the the media number for an entire disc at once (instead of song by song).
Is there any way to do this in bulk? If not, that would be a nice feature to have.
If you want to do it within Roon, you can select multiple tracks. Go into the album, right click the first track, scroll down to the last, press and hold shift while right clicking on the last track. Now you can edit the whole group. I don’t know of any way of doing it at the album level.
Me personally, if there’s a file tag for what I want, I do it there. I highly suspect any program that can do tagging will let you do albums as a whole. dbpoweramp is a popular choice here–I use foobar2000 since that’s what I started with when I ripped my first CDs.