Missing Tracks in Composition Page for Beethoven's Symphony No. 5 (ref#X3TM46)

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Hello @Masahiro_Kikuchi

Thank you for the update.

Here is the thread where described how to edit work and tag via the mp3tag

Here is how you can correctly add the Work and Part tags using Mp3tag and configure Roon to display them properly:

Step 1: Adding Tags in Mp3tag

The standard Mp3tag interface might not show these specific fields by default, so you need to add them manually using the extended tags feature:

  1. Open your audio files in Mp3tag and select the tracks you want to edit.
  2. Right-click the selected files and choose Extended Tags… (or simply press Alt+T).
  3. In the window that appears, click the Add field button (the star icon).
  4. In the Field box, type WORK (in all caps), and in the Value box, type the overall title of the composition (for example, Symphony No. 5). Click OK.
  5. Click Add field again. In the Field box, type PART, and in the Value box, type the name of the specific movement (for example, I. Allegro con brio). Click OK.
  6. Click OK one last time to save the changes to your files.

Step 2: Configuring Roon (Prefer File)

Once you have updated the files, it is crucial to change how Roon reads your metadata. Otherwise, the system will continue to use its cloud database and ignore your manual changes.

  1. Open Roon and navigate to Settings > Library > Import Settings.
  2. Scroll down to the Multi-Part Composition Grouping section (or the Work/Part settings).
  3. Change the setting to Prefer File. (Note: You can also apply this setting locally to just one specific album by clicking the three dots on the album page > Edit > Metadata Preference).

After this, Roon will rescan the files and group them exactly as you specified in your tags.

For a more detailed walkthrough, you can check out these two helpful resources: