======================== unified (from filesystem) ========================
                                         'bitrate'  '230.065'
                                        'duration'  '263'
                                          'artist'  'Erik Satie; Reinbert de Leeuw'
                                     'text_people'  'Eric Satie'
                                         'release'  'The Early Piano Works'
                                           'title'  'Trois Gnossiennes : III. Lent'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '16'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '152'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Retouched and rescaled (square) image for tagging'  type PictureType.COVER_FRONT (Cover (front)) b'Retouched and rescaled (square) image for tagging'
                                     
'TALB' (Album/Movie/Show title)                     'The Early Piano Works'
'TBPM' (BPM (beats per minute))                     '152'
'TCOM' (Composer)                                   'Eric Satie'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Trois Gnossiennes : III. Lent'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Erik Satie'
'TPE2' (Band/orchestra/accompaniment)               'Erik Satie; Reinbert de Leeuw'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Decca Classics'
'TRCK' (Track number/Position in set)               '3/16'
'TSO2'                                              'Satie, Erik; Leeuw, Reinbert de'
'TSOP' (Performer sort order)                       'Satie, Erik'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:Artists'                                      'Erik Satie'
'TXXX:BARCODE'                                      '028946216125'
'TXXX:CATALOGNUMBER'                                '462 161-2'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '0'
'TXXX:MusicBrainz Album Artist Id'                  'e1d521ea-5b97-4981-987c-ba988b2a87d7/fe455620-6713-4861-90f9-020593a2d7ba'
'TXXX:MusicBrainz Album Id'                         '47c7e4eb-6295-4da2-92e6-de8e7db1ea29'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e1d521ea-5b97-4981-987c-ba988b2a87d7'
'TXXX:MusicBrainz Release Group Id'                 'c39444eb-9f73-3307-b503-01eba94e0de5'
'TXXX:MusicBrainz Release Track Id'                 'a5988b4d-6f90-477a-8ebb-388eaaad8c1b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1989'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+11.62 dB'
'TXXX:replaygain_track_peak'                        '0.969325'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e658e51d-1097-4397-a022-a0d94830da18')

========================== row from database ==========================
                                              'id'  1214099
                                            'path'  /data/Music/Bulk/00instruments-classical/Satie, Erik/16 - Nummer 16.wma.mp3
                                         'working'  None
                                         'bitrate'  230
                                    'duration_sec'  263
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  7655432
                                           'mtime'  1620574224
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical Satie, 16 Nummer 16.wma prerock classical classical instruments
                                      'tag_artist'  Erik Satie; Reinbert de Leeuw
                                     'tag_release'  The Early Piano Works
                                       'tag_title'  Trois Gnossiennes : III. Lent
                                             'bpm'  152.0
                                    'search_title'  'gnossiennes':2 'iii':3,4 'lent':5 'trois':1
                                   'search_artist'  'de':5 'erik':1 'leeuw':6 'reinbert':4 'satie':2,3
                                  'search_release'  'early':2 'piano':3 'the':1 'works':4
                                     'search_rest'  '00instruments':1 '16':6 '16wma':8 'classical':2 'instruments':10 'nummer':5 'prerock':9 'satie':3,4 'wma':7
                                    'search_combo'  '00instruments':16 '16':21 '16wma':23 'classical':17 'de':10B 'early':13C 'erik':6B 'gnossiennes':2A 'iii':3A,4A 'instruments':25 'leeuw':11B 'lent':5A 'nummer':20 'piano':14C 'prerock':24 'reinbert':9B 'satie':7B,8B,18,19 'the':12C 'trois':1A 'wma':22 'works':15C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620574224.1728144  (2021-05-09 17:30:24)
                             'size'  7655432