# Common Metadata
Common tags, and _native_ to _common_ tag mappings. _n_ indicates the multiplicity.
The tag mapping is strongly inspired on the [MusicBrainz Picard tag-mapping](https://picard.musicbrainz.org/docs/mappings/).
| Common tag | n | Description | ID3v1 | ID3v2.2 | ID3v2.3 | ID3v2.4 | iTunes | vorbis | APEv2 | asf | exif | matroska | AIFF |
|----------------------------|---|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------|---------|-----------------------------------------------------------------------------------|-----------------------------------------------------------------------------------|---------------------------------------------------------|--------------------------------------------------|-------------------------------------|-----------------------------------|------------|----------------------------|------|
| year | 1 | Year | year | TYE | TYER | TYER | | | | | YEAR | | |
| track | 1 | Track number on the media, e.g. `{no: 1, of: 2}` | track | TRK | TRCK | TRCK | TRKN | TRACKNUMBER | TRACK | WM/TrackNumber | ITRK, IPRT | TRACK:PART_NUMBER | |
| disk | 1 | Disk or media number, e.g. `{no: 1, of: 2}` | | TPA | TPOS | TPOS | DISK | DISCNUMBER | DISC, DISCNUMBER | WM/PartOfSet | | ALBUM:PART_NUMBER | |
| title | 1 | Track title | title | TT2 | TIT2 | TIT2 | ©NAM | TITLE | TITLE | Title | INAM, TITL | SEGMENT:TITLE, TRACK:TITLE | NAME |
| artist | 1 | Literal written track artist e.g.: `"Beth Hart & Joe Bonamassa"`. If not directly specified in a tag, this is automatically filled with `common.artists`. | artist | TP1 | TPE1 | TPE1 | ©ART | ARTIST | ARTIST | Author | IART | TRACK:ARTIST | AUTH |
| artists | * | Track artists e.g.: `["Beth Hart", "Joe Bonamassa"]`. If not directly specified in one or more tag, this is automatically filled with `common.artist` | | | TXXX:ARTISTS, TXXX:DISCOGS_ARTISTS, TXXX:DISCOGS_ARTIST_NAME | TXXX:ARTISTS, TXXX:DISCOGS_ARTISTS, TXXX:DISCOGS_ARTIST_NAME | ----:COM.APPLE.ITUNES:ARTISTS | ARTISTS, DISCOGS_ARTISTS, DISCOGS_ARTIST_NAME | ARTISTS | WM/ARTISTS | | | |
| albumartist | 1 | Literal written album artist e.g.: `"Beth Hart & Joe Bonamassa"` | | TP2 | TPE2, TXXX:DISCOGS_ALBUM_ARTISTS | TPE2, TXXX:DISCOGS_ALBUM_ARTISTS | AART, ----:COM.APPLE.ITUNES:BAND | ALBUMARTIST, ALBUM ARTIST, DISCOGS_ALBUM_ARTISTS | ALBUM ARTIST | WM/AlbumArtist | | ALBUM:ARTIST | |
| album | 1 | Album title | album | TAL | TALB | TALB | ©ALB | ALBUM | ALBUM | WM/AlbumTitle | IPRD, IRPD | ALBUM:TITLE | |
| date | 1 | Date, formatted like: YYYY-MM-DD | | TDR | TDRV, TDRC, TXXX:DISCOGS_RELEASED | TDRV, TDRC, TXXX:DISCOGS_RELEASED | ©DAY | DATE, DISCOGS_RELEASED | YEAR | WM/Year | ICRD | | |
| originaldate | 1 | Original (initial) release date, formatted like: YYYY-MM-DD | | TOR | TDOR, TXXX:DISCOGS_DATE | TDOR, TXXX:DISCOGS_DATE | ----:COM.APPLE.ITUNES:ORIGINALDATE | ORIGINALDATE, DISCOGS_DATE | ORIGINALDATE | WM/OriginalReleaseTime | | ALBUM:DATE_RECORDED | |
| originalyear | 1 | Original (initial) release year | | | TORY, TXXX:ORIGINALYEAR | TORY, TXXX:ORIGINALYEAR | ----:COM.APPLE.ITUNES:ORIGINALYEAR | ORIGINALYEAR | ORIGINALYEAR | WM/OriginalReleaseYear | | | |
| releasedate | 1 | Release date, formatted like: YYYY-MM-DD | | | TDRL | TDRL | ----:COM.APPLE.ITUNES:RELEASEDATE | RELEASEDATE | RELEASEDATE | | | ALBUM:DATE_RELEASED | |
| comment | * | Comments | comment | COM | COMM | COMM | ©CMT, ©COM, ----:COM.APPLE.ITUNES:NOTES | COMMENT | COMMENT | Description | COMM, ICMT | | ANNO |
| genre | * | Genres | genre | TCO | TCON, TXXX:STYLE | TCON, TXXX:STYLE | ©GEN, GNRE | GENRE, STYLE | GENRE | WM/Genre | GNRE, IGNR | TRACK:GENRE | |
| picture | * | Embedded cover art | | PIC | APIC | APIC | COVR | METADATA_BLOCK_PICTURE | COVER ART (FRONT), COVER ART (BACK) | WM/Picture | | PICTURE | |
| composer | * | Composer | | TCM | TCOM | TCOM | ©WRT | COMPOSER | COMPOSER | WM/Composer | | | |
| lyrics | * | Lyricist | | | USLT, SYLT | USLT, SYLT | ©LYR | LYRICS | LYRICS | WM/Lyrics | | | |
| albumsort | 1 | Album title, formatted for alphabetic ordering | | TSA | TSOA | TSOA | SOAL | ALBUMSORT | ALBUMSORT | WM/AlbumSortOrder | | | |
| titlesort | 1 | Track title, formatted for alphabetic ordering | | TST | TSOT | TSOT | SONM | TITLESORT | TITLESORT | WM/TitleSortOrder | | | |
| work | 1 | The canonical title of the [work](https://musicbrainz.org/doc/Work) | | | | | ©WRK | WORK | WORK | WM/Work | | | |
| artistsort | 1 | Track artist, formatted for alphabetic ordering | | TSP | TSOP | TSOP | SOAR | ARTISTSORT | ARTISTSORT | WM/ArtistSortOrder | | TRACK:ARTISTSORT | |
| albumartistsort | 1 | Album artist, formatted for alphabetic ordering | | TS2 | TSO2 | TSO2 | SOAA, ----:COM.APPLE.ITUNES:ALBUMARTISTSORT | ALBUMARTISTSORT | ALBUMARTISTSORT | WM/AlbumArtistSortOrder | | ALBUM:ARTISTSORT | |
| composersort | 1 | Composer, formatted for alphabetic ordering | | TSC | TSOC | TSOC | SOCO | COMPOSERSORT | COMPOSERSORT | WM/ComposerSortOrder | | | |
| lyricist | * | Lyricist | | TXT | TEXT | TEXT | ----:COM.APPLE.ITUNES:LYRICIST | LYRICIST | LYRICIST | WM/Writer | | | |
| writer | * | Writer | | | TXXX:WRITER | TXXX:WRITER | | WRITER | WRITER | | IWRI | | |
| conductor | * | Conductor | | TP3 | TPE3 | TPE3 | ----:COM.APPLE.ITUNES:CONDUCTOR | CONDUCTOR | CONDUCTOR | WM/Conductor | | | |
| remixer | * | Remixer(s) | | | TPE4 | TPE4 | ----:COM.APPLE.ITUNES:REMIXER | REMIXER | MIXARTIST | WM/ModifiedBy | | | |
| arranger | * | Arranger(s) | | | IPLS:ARRANGER, TIPL:ARRANGER | IPLS:ARRANGER, TIPL:ARRANGER | | ARRANGER | ARRANGER | | | | |
| engineer | * | Engineer(s) | | | IPLS:ENGINEER, TIPL:ENGINEER | IPLS:ENGINEER, TIPL:ENGINEER | ----:COM.APPLE.ITUNES:ENGINEER | ENGINEER | ENGINEER | WM/Engineer | IENG | | |
| producer | * | Producer(s) | | | IPLS:PRODUCER, TIPL:PRODUCER | IPLS:PRODUCER, TIPL:PRODUCER | ----:COM.APPLE.ITUNES:PRODUCER | PRODUCER | PRODUCER | WM/Producer | | | |
| technician | * | Technician who digitized subject | | | | | | | | | ITCH | | |
| djmixer | * | Mix-DJ(s) | | | IPLS:DJ-MIX, TIPL:DJ-MIX | IPLS:DJ-MIX, TIPL:DJ-MIX | ----:COM.APPLE.ITUNES:DJMIXER | DJMIXER | DJMIXER | WM/DJMixer | | | |
| mixer | * | Mixed by | | | IPLS:MIX, TIPL:MIX | IPLS:MIX, TIPL:MIX | ----:COM.APPLE.ITUNES:MIXER | MIXER | MIXER | WM/Mixer | | | |
| label | * | Release label name(s) | | TPB | TPUB, TXXX:DISCOGS_LABEL | TPUB, TXXX:DISCOGS_LABEL | ----:COM.APPLE.ITUNES:LABEL | LABEL, DISCOGS_LABEL | LABEL | WM/Publisher | | TRACK:PUBLISHER | |
| grouping | 1 | Content group description. Used to group track titles in sections. | | TT1 | TIT1, GRP1 | TIT1, GRP1 | ©GRP | GROUPING | GROUPING | WM/ContentGroupDescription | | | |
| subtitle | * | Contains the subtitle of the content | | TT3 | TIT3 | TIT3 | ----:COM.APPLE.ITUNES:SUBTITLE | SUBTITLE | SUBTITLE | WM/SubTitle | | | |
| discsubtitle | 1 | The Media Title given to a specific disc | | | TSST | TSST | ----:COM.APPLE.ITUNES:DISCSUBTITLE | DISCSUBTITLE | DISCSUBTITLE | WM/SetSubTitle | | | |
| totaltracks | 1 | The total number of tracks | | | | | | TRACKTOTAL, TOTALTRACKS | | | | ALBUM:TOTAL_PARTS | |
| totaldiscs | 1 | The total number of discs | | | | | | DISCTOTAL, TOTALDISCS | | | | EDITION:TOTAL_PARTS | |
| compilation | 1 | Is part of compilation (unofficial iTunes Compilation Flag) | | TCP | TCMP | TCMP | CPIL | COMPILATION | COMPILATION | WM/IsCompilation | | | |
| rating | * | Object holding rating score [0..1] (0.0 worst rating, 1.0 best rating) and source (e.g. user e-mail) | | | POPM | POPM | RATE | RATING | | WM/SharedUserRating | RATE | | |
| bpm | 1 | Beats Per Minute (BPM) | | TBP | TBPM | TBPM | TMPO | BPM | BPM | WM/BeatsPerMinute | | | |
| mood | 1 | Keywords to reflect the mood of the audio, e.g. "Romantic" or "Sad" | | | TMOO | TMOO | ----:COM.APPLE.ITUNES:MOOD | MOOD | MOOD | WM/Mood | | | |
| media | 1 | Release format | | | TMED | TMED | ----:COM.APPLE.ITUNES:MEDIA | MEDIA | MEDIA | WM/Media | IMED | | |
| catalognumber | * | [Release catalog number(s)](https://musicbrainz.org/doc/Release/Catalog_Number) | | | TXXX:CATALOGNUMBER, TXXX:DISCOGS_CATALOG, TXXX:CATALOGID | TXXX:CATALOGNUMBER, TXXX:DISCOGS_CATALOG, TXXX:CATALOGID | ----:COM.APPLE.ITUNES:CATALOGNUMBER | CATALOGNUMBER, DISCOGS_CATALOG, CATALOGID | CATALOGNUMBER | WM/CatalogNo | | | |
| tvShow | 1 | TV show title | | | | | TVSH | | | | | | |
| tvShowSort | 1 | TV show title, formatted for alphabetic ordering | | | | | SOSN | | | | | | |
| tvSeason | 1 | TV season title | | | | | TVSN | | | | | | |
| tvEpisode | 1 | TV episode title | | | | | TVES | | | | | | |
| tvEpisodeId | 1 | TV episode ID | | | | | TVEN | | | | | | |
| tvNetwork | 1 | TV network | | | | | TVNN | | | | | | |
| podcast | 1 | _ToDo, see [issues #13](https://github.com/Borewit/music-metadata/issues/13)_ | | PCS | PCST | PCST | PCST | | | | | | |
| podcasturl | 1 | _ToDo, see [issues #13](https://github.com/Borewit/music-metadata/issues/13)_ | | WFD | WFED | WFED | PURL | | | | | | |
| releasestatus | 1 | See [releases status](https://wiki.musicbrainz.org/History:Release_Status) | | | TXXX:MUSICBRAINZ ALBUM STATUS | TXXX:MUSICBRAINZ ALBUM STATUS | ----:COM.APPLE.ITUNES:MUSICBRAINZ ALBUM STATUS | RELEASESTATUS | MUSICBRAINZ_ALBUMSTATUS | MusicBrainz/Album Status | | | |
| releasetype | * | [Release type](https://musicbrainz.org/doc/Release_Group/Type), e,g,: Album | | | TXXX:MUSICBRAINZ ALBUM TYPE | TXXX:MUSICBRAINZ ALBUM TYPE | ----:COM.APPLE.ITUNES:MUSICBRAINZ ALBUM TYPE | RELEASETYPE | MUSICBRAINZ_ALBUMTYPE | MusicBrainz/Album Type | | | |
| releasecountry | 1 | [Release country](https://wiki.musicbrainz.org/Release_Country) describes the country in which an album was released. | | | TXXX:MUSICBRAINZ ALBUM RELEASE COUNTRY, TXXX:RELEASECOUNTRY, TXXX:DISCOGS_COUNTRY | TXXX:MUSICBRAINZ ALBUM RELEASE COUNTRY, TXXX:RELEASECOUNTRY, TXXX:DISCOGS_COUNTRY | ----:COM.APPLE.ITUNES:MUSICBRAINZ ALBUM RELEASE COUNTRY | RELEASECOUNTRY, DISCOGS_COUNTRY | RELEASECOUNTRY | MusicBrainz/Album Release Country | ICNT | | |
| script | 1 | [Release Script](https://picard.musicbrainz.org/docs/tags/) | | | TXXX:SCRIPT | TXXX:SCRIPT | ----:COM.APPLE.ITUNES:SCRIPT | SCRIPT | SCRIPT | WM/Script | | | |
| language | 1 | Language used in metadata | | TLA | TLAN | TLAN | ----:COM.APPLE.ITUNES:LANGUAGE | LANGUAGE | LANGUAGE | WM/Language | | | |
| copyright | 1 | Contain copyright message for the copyright holder of the original sound, begin with a year and a space character. | | TCR | TCOP | TCOP | CPRT, ©CPY | COPYRIGHT | COPYRIGHT | Copyright | | | (c) |
| license | 1 | License Relationship Type (releases, recordings) | | WCP | WCOP | WCOP | ----:COM.APPLE.ITUNES:LICENSE | LICENSE | LICENSE | LICENSE | | | |
| encodedby | 1 | Encoded by (person/organisation) | | TEN | TENC | TENC | ©TOO | ENCODEDBY | ENCODEDBY | WM/EncodedBy | ISFT, CODE | TRACK:ENCODER | |
| encodersettings | 1 | Encoder Settings | | TSS | TSSE | TSSE | | ENCODERSETTINGS | ENCODERSETTINGS | WM/EncodingSettings | | TRACK:ENCODER_OPTIONS | |
| gapless | 1 | Gapless album indicator ([MP4](http://help.mp3tag.de/main_tags.html)) | | | | | PGAP | | | | | | |
| barcode | 1 | [Release barcode](https://musicbrainz.org/doc/Barcode). | | | TXXX:BARCODE | TXXX:BARCODE | ----:COM.APPLE.ITUNES:BARCODE | BARCODE | BARCODE | WM/Barcode | | | |
| isrc | * | [ISRC](https://musicbrainz.org/doc/ISRC) | | | TXXX:ISRC, TSRC | TXXX:ISRC, TSRC | ----:COM.APPLE.ITUNES:ISRC | ISRC | ISRC | WM/ISRC | | | |
| asin | 1 | [Amazon Standard Identification Number (ASIN)](https://musicbrainz.org/doc/ASIN) | | | TXXX:ASIN | TXXX:ASIN | ----:COM.APPLE.ITUNES:ASIN | ASIN | ASIN | ASIN | | | |
| musicbrainz_recordingid | 1 | Release [recording](https://musicbrainz.org/doc/Recording) [MBID](https://musicbrainz.org/doc/MusicBrainz_Identifier) | | | UFID:HTTP://MUSICBRAINZ.ORG | UFID:HTTP://MUSICBRAINZ.ORG | ----:COM.APPLE.ITUNES:MUSICBRAINZ TRACK ID | MUSICBRAINZ_TRACKID | MUSICBRAINZ_TRACKID | MusicBrainz/Track Id | | TRACK:MUSICBRAINZ_TRACKID | |
| musicbrainz_trackid | 1 | Release track [MBID](https://musicbrainz.org/doc/MusicBrainz_Identifier) | | | TXXX:MUSICBRAINZ RELEASE TRACK ID | TXXX:MUSICBRAINZ RELEASE TRACK ID | ----:COM.APPLE.ITUNES:MUSICBRAINZ RELEASE TRACK ID | MUSICBRAINZ_RELEASETRACKID | MUSICBRAINZ_RELEASETRACKID | MusicBrainz/Release Track Id | | | |
| musicbrainz_albumid | 1 | [Album (release)](https://musicbrainz.org/doc/Release) [MBID](https://musicbrainz.org/doc/MusicBrainz_Identifier) | | | TXXX:MUSICBRAINZ ALBUM ID | TXXX:MUSICBRAINZ ALBUM ID | ----:COM.APPLE.ITUNES:MUSICBRAINZ ALBUM ID | MUSICBRAINZ_ALBUMID | MUSICBRAINZ_ALBUMID | MusicBrainz/Album Id | | TRACK:MUSICBRAINZ_ALBUMID | |
| musicbrainz_artistid | * | Track [artists](https://musicbrainz.org/doc/Artist) [MBID](https://musicbrainz.org/doc/MusicBrainz_Identifier) | | | TXXX:MUSICBRAINZ ARTIST ID | TXXX:MUSICBRAINZ ARTIST ID | ----:COM.APPLE.ITUNES:MUSICBRAINZ ARTIST ID | MUSICBRAINZ_ARTISTID | MUSICBRAINZ_ARTISTID | MusicBrainz/Artist Id | | TRACK:MUSICBRAINZ_ARTISTID | |
| musicbrainz_albumartistid | * | Album artists [artists](https://musicbrainz.org/doc/Artist) [MBID](https://musicbrainz.org/doc/MusicBrainz_Identifier) | | | TXXX:MUSICBRAINZ ALBUM ARTIST ID | TXXX:MUSICBRAINZ ALBUM ARTIST ID | ----:COM.APPLE.ITUNES:MUSICBRAINZ ALBUM ARTIST ID | MUSICBRAINZ_ALBUMARTISTID | MUSICBRAINZ_ALBUMARTISTID | MusicBrainz/Album Artist Id | | | |
| musicbrainz_releasegroupid | 1 | [Release group](https://musicbrainz.org/doc/Release_Group) [MBID](https://musicbrainz.org/doc/MusicBrainz_Identifier) | | | TXXX:MUSICBRAINZ RELEASE GROUP ID | TXXX:MUSICBRAINZ RELEASE GROUP ID | ----:COM.APPLE.ITUNES:MUSICBRAINZ RELEASE GROUP ID | MUSICBRAINZ_RELEASEGROUPID | MUSICBRAINZ_RELEASEGROUPID | MusicBrainz/Release Group Id | | | |
| musicbrainz_workid | 1 | [Work](https://musicbrainz.org/doc/Work) [MBID](https://musicbrainz.org/doc/MusicBrainz_Identifier) | | | TXXX:MUSICBRAINZ WORK ID | TXXX:MUSICBRAINZ WORK ID | ----:COM.APPLE.ITUNES:MUSICBRAINZ WORK ID | MUSICBRAINZ_WORKID | MUSICBRAINZ_WORKID | MusicBrainz/Work Id | | | |
| musicbrainz_trmid | 1 | [TRM (TRM Recognizes Music)]((https://musicbrainz.org/doc/Fingerprinting#TRM)) IDs were MusicBrainz’ first audio fingerprinting system. | | | TXXX:MUSICBRAINZ TRM ID | TXXX:MUSICBRAINZ TRM ID | ----:COM.APPLE.ITUNES:MUSICBRAINZ TRM ID | MUSICBRAINZ_TRMID | MUSICBRAINZ_TRMID | MusicBrainz/TRM Id | | | |
| musicbrainz_discid | 1 | [Disc ID](https://musicbrainz.org/doc/Disc_ID) is the code number which MusicBrainz uses to link a physical CD | | | TXXX:MUSICBRAINZ DISC ID | TXXX:MUSICBRAINZ DISC ID | ----:COM.APPLE.ITUNES:MUSICBRAINZ DISC ID | MUSICBRAINZ_DISCID | MUSICBRAINZ_DISCID | MusicBrainz/Disc Id | | | |
| acoustid_id | 1 | (AcoustID)[https://en.wikipedia.org/wiki/Acoustic_fingerprint] is MusicBrainz’ third and most recent audio fingerprinting system. | | | TXXX:ACOUSTID_ID, TXXX:ACOUSTID ID | TXXX:ACOUSTID_ID, TXXX:ACOUSTID ID | ----:COM.APPLE.ITUNES:ACOUSTID ID | ACOUSTID_ID | ACOUSTID_ID | Acoustid/Id | | | |
| acoustid_fingerprint | 1 | [AcoustID Fingerprint](https://picard.musicbrainz.org/docs/mappings/). _ToDo: Same as acoustid_id._ | | | TXXX:ACOUSTID FINGERPRINT | TXXX:ACOUSTID FINGERPRINT | ----:COM.APPLE.ITUNES:ACOUSTID FINGERPRINT | ACOUSTID_ID_FINGERPRINT | ACOUSTID_FINGERPRINT | Acoustid/Fingerprint | | | |
| musicip_puid | 1 | [PUIDs](https://musicbrainz.org/doc/Fingerprinting#PUID) were MusicBrainz’ second audio fingerprinting system. | | | TXXX:MUSICIP PUID | TXXX:MUSICIP PUID | ----:COM.APPLE.ITUNES:MUSICIP PUID | MUSICIP_PUID | MUSICIP_PUID | MusicIP/PUID | | | |
| musicip_fingerprint | 1 | MusicIP Fingerprint), not sure which algorithm. | | | TXXX:MUSICMAGIC FINGERPRINT | TXXX:MUSICMAGIC FINGERPRINT | ----:COM.APPLE.ITUNES:FINGERPRINT | | | | | | |
| website | 1 | URL of website | | WAR | WOAR | WOAR | | WEBSITE | WEBLINK | WM/AuthorURL | TURL | | |
| performer:instrument | * | Performer relationship types, instrument can also be vocals. | | | | | | | | | | | |
| averageLevel | 1 | Average gain level. | | | PRIV:AVERAGELEVEL | PRIV:AVERAGELEVEL | | | | | | | |
| peakLevel | 1 | Peak gain level. | | | PRIV:PEAKLEVEL | PRIV:PEAKLEVEL | | | | | | | |
| notes | * | Similar to comments | | | | | | NOTES | | | | | |
| key | 1 | The 'Initial key' frame contains the musical key in which the sound starts. | | | TKEY | TKEY | | KEY | | WM/InitialKey | | | |
| originalalbum | 1 | Original release title of the earliest release in the release group intended for the title of the original recording. | | TOT | TOAL | TOAL | | | | | | | |
| originalartist | 1 | Original track artist of the earliest release in the release group intended for the performer(s) of the original recording. | | | TOPE | TOPE | | | | | | | |
| discogs_artist_id | * | Discogs artist ID | | | TXXX:DISCOGS_ARTIST_ID | TXXX:DISCOGS_ARTIST_ID | | DISCOGS_ARTIST_ID | | | | | |
| discogs_release_id | 1 | Discogs release identifier | | | TXXX:DISCOGS_RELEASE_ID | TXXX:DISCOGS_RELEASE_ID | | DISCOGS_RELEASE_ID | | | | | |
| discogs_label_id | 1 | Discogs label ID | | | TXXX:DISCOGS_LABEL_ID | TXXX:DISCOGS_LABEL_ID | | DISCOGS_LABEL_ID | | | | | |
| discogs_master_release_id | 1 | Discogs master release ID | | | TXXX:DISCOGS_MASTER_RELEASE_ID | TXXX:DISCOGS_MASTER_RELEASE_ID | | DISCOGS_MASTER_RELEASE_ID | | | | | |
| discogs_votes | 1 | Discogs votes | | | TXXX:DISCOGS_VOTES | TXXX:DISCOGS_VOTES | | DISCOGS_VOTES | | | | | |
| discogs_rating | 1 | Discogs rating | | | TXXX:DISCOGS_RATING | TXXX:DISCOGS_RATING | | DISCOGS_RATING | | | | | |
| replaygain_track_peak | 1 | ReplayGain track peak: {ratio: number, dB: number} | | | TXXX:REPLAYGAIN_TRACK_PEAK | TXXX:REPLAYGAIN_TRACK_PEAK | ----:COM.APPLE.ITUNES:REPLAYGAIN_TRACK_PEAK | REPLAYGAIN_TRACK_PEAK | REPLAYGAIN_TRACK_PEAK | | | | |
| replaygain_track_gain | 1 | ReplayGain track gain: {ratio: number, dB: number} | | | TXXX:REPLAYGAIN_TRACK_GAIN | TXXX:REPLAYGAIN_TRACK_GAIN | ----:COM.APPLE.ITUNES:REPLAYGAIN_TRACK_GAIN | REPLAYGAIN_TRACK_GAIN | REPLAYGAIN_TRACK_GAIN | | | | |
| replaygain_album_peak | 1 | ReplayGain album peak: {ratio: number, dB: number} | | | TXXX:REPLAYGAIN_ALBUM_PEAK | TXXX:REPLAYGAIN_ALBUM_PEAK | ----:COM.APPLE.ITUNES:REPLAYGAIN_ALBUM_PEAK | REPLAYGAIN_ALBUM_PEAK | | | | | |
| replaygain_album_gain | 1 | ReplayGain album gain: {ratio: number, dB: number} | | | TXXX:REPLAYGAIN_ALBUM_GAIN | TXXX:REPLAYGAIN_ALBUM_GAIN | ----:COM.APPLE.ITUNES:REPLAYGAIN_ALBUM_GAIN | REPLAYGAIN_ALBUM_GAIN | | | | | |
| replaygain_track_minmax | 1 | Minimum & maximum global gain values for this file. | | | TXXX:MP3GAIN_MINMAX | TXXX:MP3GAIN_MINMAX | ----:COM.APPLE.ITUNES:REPLAYGAIN_TRACK_MINMAX | REPLAYGAIN_MINMAX | MP3GAIN_MINMAX | | | | |
| replaygain_album_minmax | 1 | Minimum & maximum global gain values across a set of files scanned as an album. | | | TXXX:MP3GAIN_ALBUM_MINMAX | TXXX:MP3GAIN_ALBUM_MINMAX | ----:COM.APPLE.ITUNES:REPLAYGAIN_ALBUM_MINMAX | REPLAYGAIN_ALBUM_MINMAX | | | | | |
| replaygain_undo | 1 | The global gain adjustment to restore the original values in the left and right channels, respectively, followed by an indicator of whether to wrap | | | TXXX:MP3GAIN_UNDO | TXXX:MP3GAIN_UNDO | ----:COM.APPLE.ITUNES:REPLAYGAIN_UNDO | REPLAYGAIN_UNDO | MP3GAIN_UNDO | | | | |
| description | * | Description | | | TDES | TDES | DESC | | | | | | |
| longDescription | 1 | Long description or synopsis | | | | | LDES | | | | | | |
| category | * | Podcast Category | | | TCAT | TCAT | CATG | | | | | | |
| hdVideo | 1 | iTunes Video Quality (2=Full HD, 1=HD, 0=SD) | | | | | HDVD | | | | | | |
| keywords | * | Podcast Keywords | | | TKWD | TKWD | KEYW | | | | | | |
| movement | 1 | Movement | | | MVNM | MVNM | ©MVN | | | | | | |
| movementIndex | 1 | Movement Index/Total, e.g. `{no: 1, of: 4}` | | | MVIN | MVIN | ©MVI | | | | | | |
| movementTotal | 1 | The total number of movements | | | | | ©MVC | | | | | | |
| podcastId | 1 | Podcast Identifier | | | TGID | TGID | EGID | | | | | | |
| showMovement | 1 | Show Movement | | | | | SHWM | | | | | | |
| stik | 1 | iTunes Media Type (1=Normal, 2=Audiobook, 6=Music Video, 9=Movie, 10=TV Show, 11=Booklet, 14=Ringtone, https://github.com/sergiomb2/libmp4v2/wiki/iTunesMetadata#user-content-media-type-stik) | | | | | STIK | | | | | | |