======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '222'
                                          'artist'  'Benjamin Biolay'
                                     'text_people'  ''
                                         'release'  'Palermo Hollywood'
                                           'title'  'Palermo Queens'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chanson', 'chanson francaise', 'pop', 'french', 'singer songwriter']"
                                     'discogstags'  "['chanson', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '14'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '103.272'
                                             'key'  '4A'
                                        'acoustid'  '2740e306-d6d9-40c4-92e8-92a81d218021'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Palermo Hollywood'
'TBPM' (BPM (beats per minute))                     '103.272'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016-04-22'
'TENC' (Encoded by)                                 'Free Mp3 Wma Converter'
'TIT2' (Title/songname/content description)         'Palermo Queens'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Benjamin Biolay'
'TPE2' (Band/orchestra/accompaniment)               'Benjamin Biolay'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/14'
'TSO2'                                              'Biolay, Benjamin'
'TSOP' (Performer sort order)                       'Biolay, Benjamin'
'TXXX:Acoustid Id'                                  '2740e306-d6d9-40c4-92e8-92a81d218021'
'TXXX:MusicBrainz Album Artist Id'                  'f0c58dc1-8262-410e-a38b-e4f92e14759a'
'TXXX:MusicBrainz Album Id'                         '0284209b-79f3-437e-98b8-d41a68a88b50'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f0c58dc1-8262-410e-a38b-e4f92e14759a'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['chanson', 'pop']
'TXXX:lastfmtags'                                   ['chanson', 'chanson francaise', 'pop', 'french', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.323679'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'aa00fe54-e5b2-4c36-936e-356dbf0ea1c9')

========================== row from database ==========================
                                              'id'  1400411
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Benjamin Biolay ‎- Palermo Hollywood (2016)/04 - Palermo Queens.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  222
                                           'genre'  loc-eur-france
                                        'filesize'  8920261
                                           'mtime'  1620535143
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe ‎ (2016) 04 loc eur france
                                      'tag_artist'  Benjamin Biolay
                                     'tag_release'  Palermo Hollywood
                                       'tag_title'  Palermo Queens
                                             'bpm'  103.272
                                    'search_title'  'palermo':1 'queens':2
                                   'search_artist'  'benjamin':1 'biolay':2
                                  'search_release'  'hollywood':2 'palermo':1
                                     'search_rest'  '00mid':1 '2016':4,5 'eur':7 'europe':3 'france':8 'loc':6 'north':2
                                    'search_combo'  '00mid':7 '2016':10,11 'benjamin':3B 'biolay':4B 'eur':13 'europe':9 'france':14 'hollywood':6C 'loc':12 'north':8 'palermo':1A,5C 'queens':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['chanson', 'chanson francaise', 'pop', 'french', 'singer songwriter']
                                        'tag_date'  2016
                                     'discogstags'  ['chanson', 'pop']

============================== file details ==============================
                                           'mtime'  1620535142.9924576  (2021-05-09 06:39:02)
                             'size'  8920261