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  1. #1

    What is an “Album” to LMS? Albums split into two

    Hoping someone knowledgeable could explain how LMS defines an album.

    Some of my “albums” consist of songs drawn from various compilations. However, they have been retagged together as an album. Many of these show as two albums in LMS with the same album title and album artist. They are not split by file type e.g. FLACs and mp3s. Examining extended tags in MP3Tag hasn’t explained it either. Some files have two tags “ALBUM ARTIST” and “ALBUMARTIST”. However, even this is not the basis of the split. These tracks do not have a Musicbrainz album ID. Out of ideas on possible cause.

  2. #2
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    Quote Originally Posted by guptaas View Post
    Hoping someone knowledgeable could explain how LMS defines an album.

    Some of my “albums” consist of songs drawn from various compilations. However, they have been retagged together as an album. Many of these show as two albums in LMS with the same album title and album artist. They are not split by file type e.g. FLACs and mp3s. Examining extended tags in MP3Tag hasn’t explained it either. Some files have two tags “ALBUM ARTIST” and “ALBUMARTIST”. However, even this is not the basis of the split. These tracks do not have a Musicbrainz album ID. Out of ideas on possible cause.
    Are the tracks in different folders? I wonder if a disc number tag would help.

    Sent from my Pixel 3a using Tapatalk

  3. #3
    Senior Member kidstypike's Avatar
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    Quote Originally Posted by guptaas View Post
    Hoping someone knowledgeable could explain how LMS defines an album.

    Some of my “albums” consist of songs drawn from various compilations. However, they have been retagged together as an album. Many of these show as two albums in LMS with the same album title and album artist. They are not split by file type e.g. FLACs and mp3s. Examining extended tags in MP3Tag hasn’t explained it either. Some files have two tags “ALBUM ARTIST” and “ALBUMARTIST”. However, even this is not the basis of the split. These tracks do not have a Musicbrainz album ID. Out of ideas on possible cause.
    In mp3tag, do any of these files have more than one tag type?

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    LMS server/study player - LMS 8.3.0 Pi4B 4GB/NanoSound ONE case/pCP 8.1.0 - 75K library, playlists & LMS cache on Sata SSD (ntfs)
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  4. #4
    Quote Originally Posted by slartibartfast View Post
    Are the tracks in different folders? I wonder if a disc number tag would help.

    Sent from my Pixel 3a using Tapatalk
    They are in one folder and there is no disk number in these particular tags. Though I do leave the original disk number for multi-disk sources and the name of the source album in a “Grouping” tag. Are you suggesting I add a disk number tag? It doesn’t seem logical when one album is allowed to have multiple disks - a default choice in settings which works well.

  5. #5
    Quote Originally Posted by kidstypike View Post
    In mp3tag, do any of these files have more than one tag type?

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    No. I am very particular about not having a redundant set of tags.

  6. #6
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    Quote Originally Posted by guptaas View Post
    They are in one folder and there is no disk number in these particular tags. Though I do leave the original disk number for multi-disk sources and the name of the source album in a “Grouping” tag. Are you suggesting I add a disk number tag? It doesn’t seem logical when one album is allowed to have multiple disks - a default choice in settings which works well.
    I just tried adding a couple of different GROUPING tags to tracks of an album and it appears as a single album either with or without a disc number tag. Are you sure the ALBUM tag and ALBUM ARTIST are exactly the same in the two versions of the album?

    Sent from my Pixel 3a using Tapatalk

  7. #7
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    Quote Originally Posted by slartibartfast View Post
    .... Are you sure the ALBUM tag and ALBUM ARTIST are exactly the same in the two versions of the album?

    Sent from my Pixel 3a using Tapatalk
    Exactly the same, as in no differences in capitalization, no umlauts or diacriticals in one but not the other. An issue that has bedeviled me on occasion is an extra space at the end of tag.
    Usually running latest beta LMS nightly on Raspberry Pi OS with virtual players (Squeezelite and Airplay bridge). Occasionally using SB Radio, Boom or Classic.

  8. #8
    Senior Member kidstypike's Avatar
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    Quote Originally Posted by RobbH View Post
    Exactly the same, as in no differences in capitalization, no umlauts or diacriticals in one but not the other. An issue that has bedeviled me on occasion is an extra space at the end of tag.
    If it were my problem, I would make a copy of the offending album, in mp3tag remove the ALBUM ARTIST & ALBUMARTIST tags, remove the original album from the scanned folder, add the copy and do a clear & rescan of the library.
    LMS server/study player - LMS 8.3.0 Pi4B 4GB/NanoSound ONE case/pCP 8.1.0 - 75K library, playlists & LMS cache on Sata SSD (ntfs)
    Lounge - Pi2/pCP 8.1.0 > HiFiBerry DIGI+ > Topping E30 > AVI DM5
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  9. #9
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    I have had albums separate in LMS because some tracks had a disk number and some didn't. Or because some tracks had total tracks filled in and some didn’t. Usually I trace the issue back to me having to rerip some tracks with dbpa at the time of original ripping and forgetting to change some option. As recommended, mp3tag and it’s extended tags function is very useful here.
    Home: Pi4B-8GB/pCP8.x/4TB>LMS 8.2.x>Transporter, Touch, Boom, Radio (all ethernet)
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    Files: Ripping: dBpoweramp > FLAC; Post-rip: mp3tag, PerfectTunes, TuneFusion; Streaming: Spotify

  10. #10
    Quote Originally Posted by kidstypike View Post
    If it were my problem, I would make a copy of the offending album, in mp3tag remove the ALBUM ARTIST & ALBUMARTIST tags, remove the original album from the scanned folder, add the copy and do a clear & rescan of the library.
    This was my planned solution too. Understanding the problem would be better. I still am curious about how LMS defines an album. I use Mediamonkey as my main library management tool because it can sort through a large database quickly enough, allow me to play back tracks, move them around a directory tree and mass edit an artist name, a genre name or edit one field for files from several albums. The lack of direct access to the raw tags, however, likely causes problems not visible on the interface.
    My tagging flow is:
    -MIP Mixer writes its fingerprints
    -MP3Tag tags from Musicbrainz
    -The Godfather overwrites with Tags from AMG. This adds composers, moods, occasions etc.
    -An MP3Tag action formats composer, mood and occasion tags to work with Mediamonkey
    -Subsequent additions,replacements, ratings of individual files for any reason are all done within Mediamonkey. It’s very likely that the culprit is Mediamonkey.

    If I understand what LMS actually is looking at, I can fix my approach accordingly. Ultimately it’s all about feeding precise and detailed personalized tags to LMS.
    Last edited by guptaas; 2022-01-07 at 14:08.

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