======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '283'
                                          'artist'  'Tori Amos'
                                     'text_people'  ''
                                         'release'  'Under the Pink'
                                           'title'  'Cloud on My Tongue'
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                                      'lastfmtags'  "['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '141.216'
                                             'key'  '2B'
                                        'acoustid'  'c41e2d6b-8a9c-4f39-bdbf-54a4ca7799d7'
rest: ''

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'TBPM' (BPM (beats per minute))                     '141.216'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '2015-04-14'
'TIT2' (Title/songname/content description)         'Cloud on My Tongue'
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '283689'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Tori Amos'
'TPE2' (Band/orchestra/accompaniment)               'Tori Amos'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Atlantic'
'TRCK' (Track number/Position in set)               '10/12'
'TSO2'                                              'Amos, Tori'
'TSOP' (Performer sort order)                       'Amos, Tori'
'TSRC' (ISRC (international standard recording code))  'USAT21500275'
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'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'c0b2500e-0cef-4130-869d-732b23ed9df5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.87 dB'
'TXXX:replaygain_track_peak'                        '0.697612'
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========================== row from database ==========================
                                              'id'  858744
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Tori Amos/Under The Pink/10Tori Amos - Cloud On My Tongue.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  283
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5677954
                                           'mtime'  1628355517
                                   'redo_metaread'  0
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                                      'tag_artist'  Tori Amos
                                     'tag_release'  Under the Pink
                                       'tag_title'  Cloud on My Tongue
                                             'bpm'  141.216
                                    'search_title'  'cloud':1 'my':3 'on':2 'tongue':4
                                   'search_artist'  'amos':2 'tori':1
                                  'search_release'  'pink':3 'the':2 'under':1
                                     'search_rest'  '00singer':1 '10tori':5 'eos':3 'ifs':7 'on':6 'songwriter':2 'the':4
                                    'search_combo'  '00singer':10 '10tori':14 'amos':6B 'cloud':1A 'eos':12 'ifs':16 'my':3A 'on':2A,15 'pink':9C 'songwriter':11 'the':8C,13 'tongue':4A 'tori':5B 'under':7C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'Q-PIANO-4', 'q-mixbeat-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628355517.0952787  (2021-08-07 18:58:37)
                             'size'  5677954