======================== unified (from filesystem) ========================
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                                        'duration'  '22'
                                          'artist'  'Ani DiFranco'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '13'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '96'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'So Much Shouting, So Much Laughter'
'TBPM' (BPM (beats per minute))                     '96'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-09-10'
'TIT2' (Title/songname/content description)         'Comes a Time'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ani DiFranco'
'TPE2' (Band/orchestra/accompaniment)               'Ani DiFranco'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Righteous Babe Records'
'TRCK' (Track number/Position in set)               '1/13'
'TSO2'                                              'DiFranco, Ani'
'TSOP' (Performer sort order)                       'DiFranco, Ani'
'TSST' (Set subtitle)                               'Girls Singing Night'
'TXXX:ASIN'                                         'B00006EXEE'
'TXXX:Artists'                                      'Ani DiFranco'
'TXXX:BARCODE'                                      '748731702922'
'TXXX:CATALOGNUMBER'                                'RBR029-D'
'TXXX:MusicBrainz Album Artist Id'                  'a7bdc71f-697a-45d9-92b2-a01fbbe50272'
'TXXX:MusicBrainz Album Id'                         '51ce4f62-5b11-41c5-847e-a2799bfb1153'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/live'
'TXXX:MusicBrainz Artist Id'                        'a7bdc71f-697a-45d9-92b2-a01fbbe50272'
'TXXX:MusicBrainz Release Group Id'                 'a9675493-dd84-3a94-94e7-71fe28279742'
'TXXX:MusicBrainz Release Track Id'                 'bbc20938-46f6-3bdd-a92a-4a6d2385e2c1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'folk rock']
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:mood'                                         'Not relaxed/Aggressive/Party/Electronic/Not happy/Not acoustic/Not sad'
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.08 dB'
'TXXX:replaygain_track_peak'                        '0.604321'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Ani DiFranco/So Much Shouting, So Much Laughter 2002/So Much Shouting, So Much Laughter (disc 2 Girls Singing Night)-01-Comes a Time.mp3
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                                    'duration_sec'  22
                                           'genre'  ifs-songwriter-eos
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                                           'mtime'  1636401193
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                                        'rest_str'   00singer songwriter eos 00songwriter eos 2002 (disc 2 Girls Singing Night) 01 ifs songwriter eos
                                      'tag_artist'  Ani DiFranco
                                     'tag_release'  So Much Shouting, So Much Laughter
                                       'tag_title'  Comes a Time
                                             'bpm'  96.0
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                                   'search_artist'  'ani':1 'di':3 'difranco':2 'franco':4
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                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'folk rock']

============================== file details ==============================
                                           'mtime'  1636401192.8804486  (2021-11-08 20:53:12)
                             'size'  614152