======================== unified (from filesystem) ========================
                                         'bitrate'  '222.129'
                                        'duration'  '228'
                                          'artist'  'Dakota Suite & Emanuele Errante'
                                     'text_people'  ''
                                         'release'  'The North Green Down'
                                           'title'  'The North Green Down, Part IV'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['contemporary classical', 'neoclassical', 'piano', 'acoustic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '18'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments-contemporary'
                                             'bpm'  '129.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The North Green Down'
'TBPM' (BPM (beats per minute))                     '129.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments-contemporary'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-02-25'
'TIT2' (Title/songname/content description)         'The North Green Down, Part IV'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Dakota Suite & Emanuele Errante'
'TPE2' (Band/orchestra/accompaniment)               'Dakota Suite & Emanuele Errante'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Lidar'
'TRCK' (Track number/Position in set)               '9/18'
'TSO2'                                              'Dakota Suite & Errante, Emanuele'
'TSOP' (Performer sort order)                       'Dakota Suite & Errante, Emanuele'
'TSRC' (ISRC (international standard recording code))  'DEX260990435'
'TXXX:ASIN'                                         'B004L8MEHO'
'TXXX:BARCODE'                                      '880918024127'
'TXXX:CATALOGNUMBER'                                'lidar 003'
'TXXX:MusicBrainz Album Artist Id'                  '8a952f23-c29c-478d-9a81-2ee952ea43c1/ac3c337b-72d3-43ee-87af-25c97a33ef9c'
'TXXX:MusicBrainz Album Id'                         '1d089c3c-9d84-48a7-a78f-3d4f83ce70ff'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8a952f23-c29c-478d-9a81-2ee952ea43c1/ac3c337b-72d3-43ee-87af-25c97a33ef9c'
'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'                                   ['contemporary classical', 'neoclassical', 'piano', 'acoustic', 'ambient']
'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-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.94 dB'
'TXXX:replaygain_track_peak'                        '0.335161'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f08e7253-45f8-4df2-a07d-28fa171f8810')

========================== row from database ==========================
                                              'id'  645907
                                            'path'  /data/Music/Bulk/00instruments-classical/Dakota Suite & Emanuele Errante - The North Green Down (2011)/09. The North Green Down IV.mp3
                                         'working'  None
                                         'bitrate'  222
                                    'duration_sec'  228
                                           'genre'  prerock-classical or classical instruments-contemporary
                                        'filesize'  6432487
                                           'mtime'  1637329753
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical (2011) 09. prerock classical classical instruments contemporary
                                      'tag_artist'  Dakota Suite & Emanuele Errante
                                     'tag_release'  The North Green Down
                                       'tag_title'  The North Green Down, Part IV
                                             'bpm'  129.0
                                    'search_title'  'down':4,5 'green':3 'iv':7 'north':2 'part':6 'the':1
                                   'search_artist'  'dakota':1 'emanuele':3 'errante':4 'suite':2
                                  'search_release'  'down':4 'green':3 'north':2 'the':1
                                     'search_rest'  '00instruments':1 '09':5,6 '2011':3,4 'classical':2 'contemporary':9 'instruments':8 'prerock':7
                                    'search_combo'  '00instruments':16 '09':20,21 '2011':18,19 'classical':17 'contemporary':24 'dakota':8B 'down':4A,5A,15C 'emanuele':10B 'errante':11B 'green':3A,14C 'instruments':23 'iv':7A 'north':2A,13C 'part':6A 'prerock':22 'suite':9B 'the':1A,12C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'Q-PIANO-4', 'q-mixbeat-1', '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-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['contemporary classical', 'neoclassical', 'piano', 'acoustic', 'ambient']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329752.6526828  (2021-11-19 14:49:12)
                             'size'  6432487