220 lines
8.1 KiB
JSON
220 lines
8.1 KiB
JSON
{
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"$defs": {
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"HasArtwork": {
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"properties": {
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"data": {
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"format": "binary",
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"title": "Data",
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"type": "string"
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}
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},
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"required": [
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"data"
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],
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"title": "HasArtwork",
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"type": "object"
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},
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"MusicBrainzIds": {
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"properties": {
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"artist": {
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"description": "A MusicBrainz artist is pretty intuitively the artist who recorded the song. This particular ID refers to the individual recording's artist or artists, which may be distinct from the release artist below when a release contains recordings from many different artists. https://musicbrainz.org/doc/Artist",
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"items": {
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"format": "uuid",
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"type": "string"
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},
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"title": "Artist",
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"type": "array"
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},
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"recording": {
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"description": "A MusicBrainz recording represents audio from a specific performance. For example, if the same song was released as a studio recording and as a live performance, those two versions of the song are different recordings. The song itself is considered a \"work\", of which two recordings were made. However, recordings are not always associated with a work in the MusicBrainz database, and Picard won't load work IDs by default (you have to enable \"use track relationships\" in the options), so recording IDs are a much more reliable way to identify a particular song. https://musicbrainz.org/doc/Recording",
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"format": "uuid",
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"title": "Recording",
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"type": "string"
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},
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"release": {
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"description": "A MusicBrainz release roughly corresponds to an \"album\", and indeed is stored in a tag called MUSICBRAINZ_ALBUMID. The more general name is meant to encompass all the different ways music can be released. https://musicbrainz.org/doc/Release",
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"items": {
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"format": "uuid",
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"type": "string"
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},
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"title": "Release",
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"type": "array"
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},
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"release_artist": {
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"description": "Again, the release artist corresponds to an \"album artist\". These MBIDs refer to the same artists in the MusicBrainz database that individual recordings' artist MBIDs do.",
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"items": {
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"format": "uuid",
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"type": "string"
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},
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"title": "Release Artist",
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"type": "array"
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},
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"release_group": {
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"description": "A MusicBrainz release group roughly corresponds to \"all the editions of a particular album\". For example, if the same album were released on CD, vinyl records, and as a digital download, then all of those would be different releases but share a release group. Note that MPD's support for this tag is relatively new (July 2023) and doesn't seem especially reliable, so it might be missing here even if your music has been tagged with it. Not sure why. https://musicbrainz.org/doc/Release_Group",
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"format": "uuid",
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"title": "Release Group",
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"type": "string"
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},
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"track": {
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"description": "A MusicBrainz track represents a specific instance of a recording appearing as part of some release. For example, if the same song appears on both two-CD and four-CD versions of a soundtrack, then it will be considered the same \"recording\" in both cases, but different \"tracks\". https://musicbrainz.org/doc/Track",
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"format": "uuid",
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"title": "Track",
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"type": "string"
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},
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"work": {
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"description": "A MusicBrainz work represents the idea of a particular song or creation (it doesn't have to be audio). Each work may have multiple recordings (studio versus live, different performers, etc.), with the work ID grouping them together. https://musicbrainz.org/doc/Work",
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"format": "uuid",
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"title": "Work",
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"type": "string"
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}
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},
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"required": [
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"artist",
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"release",
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"release_artist"
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],
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"title": "MusicBrainzIds",
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"type": "object"
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},
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"NoArtwork": {
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"properties": {},
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"title": "NoArtwork",
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"type": "object"
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},
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"PlaybackState": {
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"enum": [
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"play",
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"pause",
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"stop"
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],
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"title": "PlaybackState",
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"type": "string"
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}
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},
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"$id": "https://cdn.00dani.me/m/schemata/mpd-now-playable/song-v1.json",
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"$schema": "https://json-schema.org/draft/2020-12/schema",
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"properties": {
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"album": {
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"description": "The name of the song's containing album, which may be multivalued.",
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"items": {
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"type": "string"
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},
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"title": "Album",
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"type": "array"
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},
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"album_artist": {
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"description": "The album's artists. This is often used to group together songs from a single album that featured different artists.",
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"items": {
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"type": "string"
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},
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"title": "Album Artist",
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"type": "array"
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},
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"art": {
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"anyOf": [
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{
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"$ref": "#/$defs/HasArtwork"
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},
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{
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"$ref": "#/$defs/NoArtwork"
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}
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],
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"description": "The song's cover art, if it has any - the art will be available as bytes if present, ready to be displayed directly by receivers.",
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"title": "Art"
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},
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"artist": {
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"description": "The song's artists. Will be an empty list if the song has not been tagged with an artist, and may contain multiple values if the song has been tagged with several artists.",
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"items": {
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"type": "string"
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},
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"title": "Artist",
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"type": "array"
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},
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"composer": {
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"description": "The song's composers. Again, this is permitted to be multivalued.",
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"items": {
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"type": "string"
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},
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"title": "Composer",
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"type": "array"
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},
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"disc": {
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"description": "The disc number of the song on its album. As with the track number, this is usually one-based, but it doesn't have to be.",
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"title": "Disc",
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"type": "integer"
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},
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"duration": {
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"description": "The song's duration as read from its tags, measured in seconds. Fractional seconds are allowed.",
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"title": "Duration",
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"type": "number"
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},
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"elapsed": {
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"description": "How far into the song MPD is, measured in seconds. Fractional seconds are allowed. This is usually going to be less than or equal to the song's duration, but because the duration is tagged as metadata and this value represents the actual elapsed time, it might go higher if the song's duration tag is inaccurate.",
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"title": "Elapsed",
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"type": "number"
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},
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"file": {
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"description": "The relative path to the current song inside the music directory. MPD itself uses this path as a stable identifier for the audio file in many places, so you can safely do the same.",
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"format": "path",
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"title": "File",
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"type": "string"
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},
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"genre": {
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"description": "The song's genre or genres. These are completely arbitrary descriptions and don't follow any particular standard.",
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"items": {
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"type": "string"
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},
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"title": "Genre",
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"type": "array"
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},
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"musicbrainz": {
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"$ref": "#/$defs/MusicBrainzIds",
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"description": "The MusicBrainz IDs associated with the song and with its artist and album, which if present are an extremely accurate way to identify a given song. They're not always present, though."
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},
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"queue_index": {
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"description": "The zero-based index of the current song in MPD's queue.",
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"title": "Queue Index",
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"type": "integer"
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},
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"queue_length": {
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"description": "The total length of MPD's queue - the last song in the queue will have the index one less than this, since queue indices are zero-based.",
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"title": "Queue Length",
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"type": "integer"
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},
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"state": {
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"$ref": "#/$defs/PlaybackState",
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"description": "Whether MPD is currently playing, paused, or stopped. Pretty simple."
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},
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"title": {
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"description": "The song's title, if it's been tagged with one. Currently only one title is supported, since it doesn't make a lot of sense to tag a single audio file with multiple titles.",
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"title": "Title",
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"type": "string"
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},
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"track": {
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"description": "The track number the song has on its album. This is usually one-based, but it's just an arbitrary audio tag so a particular album might start at zero or do something weird with it.",
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"title": "Track",
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"type": "integer"
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}
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},
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"required": [
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"state",
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"queue_index",
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"queue_length",
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"file",
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"title",
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"artist",
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"composer",
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"album",
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"album_artist",
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"track",
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"disc",
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"genre",
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"duration",
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"elapsed",
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"art",
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"musicbrainz"
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],
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"title": "Song",
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"type": "object"
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}
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