Thanks @leelynds, I will wait and check again later as this is only 1 of 7 remaining albums for me that will not match.
I agree that there is some delay, but I have seen matches occur to entries that are still in the voting/approval phase, so Iâm not certain about whether that is a factor.
Maybe it depends on your âlevelâ as a contributor at MB. I currently have 37 open edits (not yet approved) - none of those will match according to Plex, automatically or manually. They will show up often as the only option to match, but clicking match does nothing and the albums remain unmatched.
They will match after they have been approved, but only manually.
For pure musicbrainz data, the delay in the worst case is 25 hours. Longer for album reviews, moods and cover art.
Quick questionâŠ
When Plex gets the changes from MusicBrainz, what info does it use to populate the artist info? Is it the overview section, including any wikipedia / annotation info or something else?
No, artist info comes mainly from allmusic.com or if there is nothing available there, from last.fm
I am still not able to match this artist correctly. Even searching by the MBID a0bb95b8-9fd9-47dd-af28-d4210f7f2a11 returns nothing, just âNo matches found.â
Itâs so weird that beckfield got a match 4 days ago and Iâm still not getting anything.
Is your music library new or already existing for several months?
Are both the Scanner and the Agent drop-down selectors set to âPlex Musicâ? (in the properties of the library)
Yes and yes.
Itâs a converted library. Itâs never been an issue before either. I added a batch of different artists at the same time as this one, and Iâve matched all of the others without issue.
That said, Iâm still in the progress of converting the library, as I have a lot of japanese artists that will not match correctly without a manual search, and Iâve just not had the time to do that for the entire library yet. The search canât get a hit when the artist is written with western letters instead of kanji, even though itâs perfectly searchable on musicbrainz. But as long as I manually search with the kanji itâll match fine.
Can someone confirm this? I thought that if we have all of our music correctly tagged with MusicBrainz, the server would read those tags provided that we have âPlex Musicâ as the preferred agent.
I use MusicBrainz Picard which provides all the appropriate MBIDs, Release Group, Release, etc and individually embeds them into my FLACs.
My experience, is that Plex will match most of the time if you have the MusicBrainz info included in your tags.
The problem I have, is probably self induced, because I donât have the patience to wait long enough to add new music to my library after I have added a release to the MB database.
I do wait 2-3 days before I add the music. But, despite the fact that weâre told all data is available to Plex after one day, I find Plex matches the album using the mbid info as the matching source instead of Plex music. The album will appear matched, but remains unmatched when you filter your library by unmatched albums. You can tell how your album has been matched by viewing the XML. for one of the tracks.
A proper match will have
guid="plex://track/#####"
parentGuid="plex://album/#####"
grandparentGuid="plex://artist/#####"
Unmatched albums using the MusicBrainz IDâs will have
guid="mbid://#####"
parentGuid="mbid://#####"
grandparentGuid="plex://mbid//#####"
The last one may be matched properly if you have other albums by the artist.
The albums can only be matched manually, as it seems Plex holds onto the mbid matching reference, and doesnât ever update that during maintenance periods. Right now I have about a dozen albums that have the âwrongâ matching method in the XML, some of them added 10 days ago. If I read the logs correctly, the music library was scanned over night, but no corrections were made.
So it sounds like this only impacts music that isnât in the MB database and gets immediately added to Plex. Since Plex doesnât go back during the maintenance period to update those links to the âPlex MusicBrainzâ database which is periodically synced with the official MB database, the files are left in limbo and considered unmatched.
Exactly!
I know my explanation was confusing, but it is a glitch Iâd like them to look at. The albums are in the MB database, have the proper MB tags, etc, but may not have cleared approval by MusicBrainz yet.
I can confirm this.
As per the previous discussions higher up in this thread, once the MB did the approval when I went in to Fix Match manually and now those items are no longer in the Unmatched listing.
The other interesting thing is though that even if I try and fix the match with the local info (i.e. Personal Media Artists) or even use the Last.fm it doesnât actually take it out of the Unmatched area. In checking the XML the entry appears to beâŠ
guid="local://69810"
but it is still classified as UnmatchedâŠwhich means that with this new scanner it seems to need to be able to use MB.
I tested changing my scanner under the Edit music > Advanced dialog to Plex Music Scanner and if I use any of the matching options (i.e. Personal Media Artists, Last.fm) then my albums are matched without issues and the Unmatched area is clear.
I guess Iâm being stubborn, and I want this new music system to work properly.
We shouldnât have to switch agents to get a match for an album if itâs listed at MB. Even the un-approved ones look like they should match in Plex, with 100% probability, but clicking match does nothing. And at some point in time, during the maintenance period, the match should automatically happen. It doesnât - I deliberately left 3 albums unmatched for a month, but they didnât match until I did it manually
No, you just want things to work consistently and as advertisedâŠhow unreasonable 
Agreed.
For clarity, switching agents is not really an option because even if everything is matched, switching back to the new scanner (Plex Music), the same items are once again unmatched. Also, using the old scanner doesnât actually do a good job of grabbing the local metadata as the album art, though embedded, doesnât actually show up consistently (at least not for me 
)
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The powers that be seem a little sensitive about the new scanner. Any suggestion that something isnât working quite right is generally ignored or blamed on user error. (like the need to scan the library over and over for unmatched albums, reported many times in the forums) The suggestion to add unmatched albums to the MB database as a solution obviously isnât a fix, as seen here.
I suspect their working to get it fixed, just thought they had it nailed the first time. 
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