Missing tag for ORIGINAL ALBUM resp. TOAL

[PeterG]

With 'mp3tag' these tags could be filled/created for FLAC resp. MP3 files, but are not directly addressable in the properties of MS 2.0 (full license) and do not appear in the tag conversion list.
Existence and content checked with hex-editor HxD.
I tried the following workaround with a tag that I don't use:
alias section: TOAL:-discsubtitle, "ORIGINAL ALBUM":-discsubtitle
index tag section: discsubtitle:orig.Album
$discsubtitle also is used in my displayFormat options.
But it doesn't show up as index nor is it displayed.
Where's my/the fault?
Any help welcome.

[Alandbush]

(07-11-2020 23:16)PeterG Wrote:  With 'mp3tag' these tags could be filled/created for FLAC resp. MP3 files, but are not directly addressable in the properties of MS 2.0 (full license) and do not appear in the tag conversion list.
Existence and content checked with hex-editor HxD.
I tried the following workaround with a tag that I don't use:
alias section: TOAL:-discsubtitle, "ORIGINAL ALBUM":-discsubtitle
index tag section: discsubtitle:orig.Album
$discsubtitle also is used in my displayFormat options.
But it doesn't show up as index nor is it displayed.
Where's my/the fault?
Any help welcome.

A more definitive answer, as to whether the above tags are recognised, should come from using the writeAllTags property.

[simoncn]

MinimServer doesn't currently read the ID3v2 TOAL frame from MP3 files. This is because a number of tagging programs and servers either don't map this frame or map it in different ways. There is no configuration setting or workaround that can be used to change this.

The solution is for MinimServer to add a mapping for TOAL. I will add a mapping from TOAL to ORIGINALALBUM in a future MinimServer update and I will post back here when this is available.

[PeterG]

(08-11-2020 12:58)Alandbush Wrote:  A more definitive answer, as to whether the above tags are recognised, should come from using the writeAllTags property.

Thanks for the hint.
It took some time for about 30.000 tracks. Maybe an option like 'TagsOnly' or 'OmitContent' would be usefull for this list.
"ORIGINAL ALBUM" is in the list with contents from FLAC files only.
Probably it does not work because TOAL is missing in the conversion table of MS.
See: https://minimserver.com/ug-library.html#Tag%20mappings
I'll give it a try by filling DISCSUBTITLE with the same information.
This name appears in the mappings table (TSST for ID3v2.4), but not in my list because it is not used yet.
I'll be back to report.

[PeterG]

(08-11-2020 16:26)simoncn Wrote:  The solution is for MinimServer to add a mapping for TOAL. I will add a mapping from TOAL to ORIGINALALBUM in a future MinimServer update and I will post back here when this is available.

Thanks for that.

About the workaround with DISCSUBTITLE:
It almost works the way I intended.
I removed the alias entries and filled the tag with 'mp3tag', where it is SETSUBTITLE (closer to TSST, imo).
Now I have an index 'orig.Album' in the tag view, showing all values I entered with the correct titles linked to them.
BUT: MS obviously links this tag to the disc instead of the track/file.

Here's an example: The box-set 'Twenty Original Albums' of Miles Davis consists of 10 CDs with 2 Albums on each CD.
So I filled the above tag with 'Albumtitle 1' for tracks 1 to 5 and 'Albumtitle 2' for tracks 6 to 11 of the same CD. Both names appear in the index, but for $discsubtitle in the 'title.displayFormat=' option only 'Albumtitle 1' is displayed for all 11 tracks.

And the log from rescan shows a warning about conflicting values for this tag, as it does for multiple values of ALBUMARTIST (further handled correctly btw.).

[simoncn]

This is because you are using DISCSUBTITLE for something that isn't a disc subtitle.

To solve this problem, you could add DiscSubtitle:OriginalAlbum to aliasTags. You will also need to change $discsubtitle to $originalalbum in tagFormat and replace DiscSubtitle with OriginalAlbum in indexTags or itemTags.

[PeterG]

(09-11-2020 10:59)simoncn Wrote:  This is because you are using DISCSUBTITLE for something that isn't a disc subtitle.

To solve this problem, you could add DiscSubtitle:OriginalAlbum to aliasTags. You will also need to change $discsubtitle to $originalalbum in tagFormat and replace DiscSubtitle with OriginalAlbum in indexTags or itemTags.

Thanks a lot, now it works like I wanted to and the warnings in the rescan log have vanished too.
I used OrigAlbum as alias, because I fill the tags ORIGINALALBUM resp. TOAL for future use.
Just to make sure I understood the use of DISCSUBTITLE resp. TSST:
For MS it works as intended for a 2-CD set like Kate Bush's 'Aerial' with disc 1 titled 'A Sea of Honey' and disc 2 'A Sky of Honey', but is not applicable for a single CD containing two original albums.

Though it's off topic here:
Almost 100% of my rescan log are filled with warnings about conflicting values of ALBUMARTIST, which makes it rather difficult finding entries that really need correction.
On jazz and classic releases, which make the main part of my collection, it is very common to have more than 1 main artist. The tools I use for tagging support those multiple values and MS handles them correctly in the sense of having ALBUMARTIST entries for each of them.
So why these warnings?

[simoncn]

I understand why you find this limitation surprising. It goes back to the early days of MinimServer (for example, see this post).

As mentioned in the older post, the ALBUMARTIST value isn't only used for indexing. It is the other uses that make it problematical to allow multiple values, especially for albums where the tracks don't all have exactly the same combination of AlbumArtist tags. I suspect this applies to many libraries.

If you are using AlbumArtist to mean "main artist", you can add AlbumArtist:MainArtist to aliasTags and you can add MainArtist:AlbumArtist to indexTags. This removes the warning messages and gives you a way to browse by multiple AlbumArtist tags.