Compilations not recocnized?

I have imported many albums. There are many compilations with multiple CDs. Roon only recognizes the first CD, and the second one is not associated.

What can I do about this?

How can I Roon tell, that an “album” is the CD 2 from 2 and belongs to CD 1?

There are fields in the file metadata tags that define the CD number and overall number of CDs

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Roon does have on occasion some odd behavior regarding compilations; that was one of the first things I noticed when I started to try out Roon.

However, it is manageable. First, your CDs should be labelled accordingly, just like in the link Suedkiez provived (with the Metadata correctly assigning CD and track numbers).

And additionally, you can group tracks and tell Roon that an album is a compilation in the album editor

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Where can i find this metadata tag?
Have read the link and copied the folders in the correct form:

Disco House 2012
/CD1
/CD2

Then i have set the compilation in both albums.
But Roon means, that they two different albums…

In the files. How did you rip the CDs? Your CD ripper should normally have ways to set this during ripping. Or you can use a metadata editor after ripping, there are many good ones like mp3tag or Yate on the Mac. Search the forum and you will find lots of discussions about metadata editors and also about correct tagging of multi-disc CDs.

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I have already made the mistake when ripping with dBpoweram by not specifying the number of CDs current/CD total. With the 3 CD just now it worked perfectly with the correct specification.
Now I just have to repair the previous ones…,
I use MP3 Tag, maybe it works with that.

Do I then have to read the files into Roon again?

Many thanks to you, you are really great

In my experience, Roon recognizes changed and edited files almost immediately.

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It does but also has a habit of just ignoring changes to and you have to fully delete and clean it from library and add it again.

I know turn Roon server off doing any live changes to metadata. Saves the pain as it’s happened way more to me than it shouid.

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Sounds like good advice.

I should perhaps also clarify that I never actually edit the metadata in the files Roon has access to.

My setup is for a variety of reasons thus:
All my music is on a hard drive, for legacy reasons in ALAC format. I use iTunes and MP3Tag to curate the collection, any changes made to the music files are made to the files on that drive.

That music folder then is regularly mirrored to a backup drive and to the NAS drive. Roon is installed on the NAS and has only access to the files on the NAS drive. So the files are not actually edited ON the NAS drive, just periodically updated. And Roon recognizes these updates right away.

You could use SongKong to fix your previous ones. Unlike tools such as Yate or Mp3tag there is no need to fix them one by one you can do the whole lot in one go, you can try it in preview mode first to check the results are correct for you.