======================== unified (from filesystem) ========================
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                                        'duration'  '355'
                                          'artist'  'Ludovico Einaudi'
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '12'
                                            'date'  '2006'
                                        'comments'  ''
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======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Divenire'
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'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-11-07'
'TIT2' (Title/songname/content description)         'Monday'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ludovico Einaudi'
'TPE2' (Band/orchestra/accompaniment)               'Ludovico Einaudi'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Decca Records'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'Einaudi, Ludovico'
'TSOP' (Performer sort order)                       'Einaudi, Ludovico'
'TSRC' (ISRC (international standard recording code))  'ITB280600003/ITC490700003'
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'TXXX:Artists'                                      'Ludovico Einaudi'
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'TXXX:MusicBrainz Artist Id'                        'fa34b363-79df-434f-a5b8-be4e6898543f'
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'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
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'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'classical', 'modern classical', 'ambient']
'TXXX:lastfmtags'                                   ['contemporary classical', 'instrumental', 'piano', 'classical', 'ambient']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '1'
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'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.32 dB'
'TXXX:replaygain_track_peak'                        '0.674014'
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========================== row from database ==========================
                                              'id'  1353875
                                            'path'  /data/Music/Bulk/00instruments-classical/Ludovico Einaudi/Divenire/03. Monday.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  355
                                           'genre'  prerock-classical or classical instruments-contemporary
                                        'filesize'  14273105
                                           'mtime'  1637329796
                                   'redo_metaread'  0
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                                      'tag_artist'  Ludovico Einaudi
                                     'tag_release'  Divenire
                                       'tag_title'  Monday
                                             'bpm'  118.0
                                    'search_title'  'monday':1
                                   'search_artist'  'einaudi':2 'ludovico':1
                                  'search_release'  'divenire':1
                                     'search_rest'  '00instruments':1 '03':3,4 'classical':2 'contemporary':8 'instruments':7 'or':6 'prerock':5
                                    'search_combo'  '00instruments':5 '03':7,8 'classical':6 'contemporary':12 'divenire':4C 'einaudi':3B 'instruments':11 'ludovico':2B 'monday':1A 'or':10 'prerock':9
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['contemporary classical', 'instrumental', 'piano', 'classical', 'ambient']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'classical', 'modern classical', 'ambient']

============================== file details ==============================
                                           'mtime'  1637329795.7684758  (2021-11-19 14:49:55)
                             'size'  14273105