======================== unified (from filesystem) ========================
                                         'bitrate'  '186.701'
                                        'duration'  '244'
                                          'artist'  'Satin Wall'
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                                           'title'  'Dans les profondeurs'
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                                      'lastfmtags'  "['post-punk', 'new wave', 'coldwave', 'cold wave', 'belgian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '19'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk-minimal wave'
                                             'bpm'  '133.3'
                                             'key'  '8A'
                                        'acoustid'  'f88d5d83-56e4-47ab-8cda-d5e206e48198'
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======================== rawer (from filesystem) ========================

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'TBPM' (BPM (beats per minute))                     '133.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk-minimal wave'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Dans les profondeurs'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Satin Wall'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Flexi-Pop'
'TRCK' (Track number/Position in set)               '4/19'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Satin Wall'
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'TXXX:CATALOGNUMBER'                                'Flexi-Pop 23'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '5c615ae2-d1de-49e2-9dbd-3facf43eea94'
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'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'compilation'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['post-punk', 'new wave', 'coldwave', 'cold wave', 'belgian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.868655'
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                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/Futurhythm - None Night Of Flexipop Vol. 3 (Flexi-Pop, 2004) [vBr]/04-satin_wall_-_dans_les_profondeurs-radial.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  244
                                           'genre'  electronic-we-new wave or post punk-minimal wave
                                        'filesize'  5705249
                                           'mtime'  1620611435
                                   'redo_metaread'  0
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                                      'tag_artist'  Satin Wall
                                     'tag_release'  None Night of Flexipop, Volume 3
                                       'tag_title'  Dans les profondeurs
                                             'bpm'  133.3
                                    'search_title'  'dans':1 'les':2 'profondeurs':3
                                   'search_artist'  'satin':1 'wall':2
                                  'search_release'  '3':7 'flexipop':4,5 'night':2 'none':1 'of':3 'volume':6
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '2004':14,15 'br':34,35 'dans':20 'disco':3 'electronic':24 'flexi':10,11 'futurhythm':6 'les':21 'minimal':31 'new':26 'of':7 'or':28 'pop':12,13 'post':29 'postpunk':5 'profondeurs':22 'punk':30 'radial':23 'satin':18 'v':32,33 'vbr':16,17 'vol':8,9 'wall':19 'wave':27 'waves':2 'we':25
                                    'search_combo'  '00newwave':16 '00poprockelectronic':13 '2004':26,27 '3':12C 'br':46,47 'dans':1A,32 'disco':15 'electronic':36 'flexi':22,23 'flexipop':9C,10C 'futurhythm':18 'les':2A,33 'minimal':43 'new':38 'night':7C 'none':6C 'of':8C,19 'or':40 'pop':24,25 'post':41 'postpunk':17 'profondeurs':3A,34 'punk':42 'radial':35 'satin':4B,30 'v':44,45 'vbr':28,29 'vol':20,21 'volume':11C 'wall':5B,31 'wave':39 'waves':14 'we':37
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['post-punk', 'new wave', 'coldwave', 'cold wave', 'belgian']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620611434.5525267  (2021-05-10 03:50:34)
                             'size'  5705249