======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Maxence Cyrin'
                                     'text_people'  ''
                                         'release'  'Nocturnes (Solo Piano)'
                                           'title'  'China Club'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', "
 "'piano']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments;set-cover or covered'
                                             'bpm'  '137.8'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Nocturnes (Solo Piano)'
'TBPM' (BPM (beats per minute))                     '137.8'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-classical or classical instruments', 'set-cover or covered']
'TDOR' (Original release time)                      '2015'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'China Club'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Maxence Cyrin'
'TPE2' (Band/orchestra/accompaniment)               'Maxence Cyrin'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Evidence'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'Cyrin, Maxence'
'TSOP' (Performer sort order)                       'Cyrin, Maxence'
'TXXX:Artists'                                      'Maxence Cyrin'
'TXXX:MusicBrainz Album Artist Id'                  '7947dab4-4274-46f4-bc11-135561c110b7'
'TXXX:MusicBrainz Album Id'                         'db59de8b-4781-40ec-b545-0c81f82a2af3'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7947dab4-4274-46f4-bc11-135561c110b7'
'TXXX:MusicBrainz Release Group Id'                 'ce37e4b2-dac1-4051-8730-031181a13a25'
'TXXX:MusicBrainz Release Track Id'                 'd1553195-2c93-4853-bddd-6e3946f97a48'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', 'piano']
'TXXX:originalyear'                                 '2015'
'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'                                      '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+13.60 dB'
'TXXX:replaygain_track_peak'                        '0.179603'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ceff012f-6a27-4c86-8bf7-e9ca1bc445ff')

========================== row from database ==========================
                                              'id'  1117168
                                            'path'  /data/Music/Bulk/00instruments-classical/Maxence Cyrin/Maxence Cyrin - China Club.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  prerock-classical or classical instruments;set-cover or covered
                                        'filesize'  6346265
                                           'mtime'  1636913583
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical prerock classical or classical instruments;set cover or covered
                                      'tag_artist'  Maxence Cyrin
                                     'tag_release'  Nocturnes (Solo Piano)
                                       'tag_title'  China Club
                                             'bpm'  137.8
                                    'search_title'  'china':1 'club':2
                                   'search_artist'  'cyrin':2 'maxence':1
                                  'search_release'  'nocturnes':1 'piano':4,5 'solo':2,3
                                     'search_rest'  '00instruments':1 'classical':2 'cover':9 'covered':10 'instruments':5,7 'or':4 'prerock':3 'set':6,8
                                    'search_combo'  '00instruments':10 'china':1A 'classical':11 'club':2A 'cover':18 'covered':19 'cyrin':4B 'instruments':14,16 'maxence':3B 'nocturnes':5C 'or':13 'piano':8C,9C 'prerock':12 'set':15,17 'solo':6C,7C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  5A
                                           '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-2', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', 'piano']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913583.3495173  (2021-11-14 19:13:03)
                             'size'  6346265