======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '223'
                                          'artist'  'Goran Bregović'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'Polizia molto arabbiata'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '113.453'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{!\x00\x00'                      PRIV(owner='AverageLevel', data=b'{!\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '113.453'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TIT2' (Title/songname/content description)         'Polizia molto arabbiata'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '223000'
'TPE1' (Lead performer(s)/Soloist(s))               'Goran Bregović'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TSOP' (Performer sort order)                       'Bregović, Goran'
'TXXX:Artists'                                      'Goran Bregović'
'TXXX:MusicBrainz Artist Id'                        '883ece23-2779-4091-b527-62eb07ee79d4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.568868'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a00dfad9-0437-40c7-bf25-3888752eeea5')

========================== row from database ==========================
                                              'id'  781028
                                            'path'  /data/Music/Bulk/00localcharacter/Balkan/Goran Bregovic - Tales and Songs from Weddings and Funerals/polizia_molto_arabbiata.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  223
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  3580205
                                           'mtime'  1620528363
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Balkan Bregovic Tales and Songs from Weddings and Funerals polizia_molto_arabbiata loc style gypsy balkan klezmer;mi brass
                                      'tag_artist'  Goran Bregović
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Polizia molto arabbiata
                                             'bpm'  113.453
                                    'search_title'  'arabbiata':3 'molto':2 'polizia':1
                                   'search_artist'  'bregovic':2,3 'goran':1
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  'and':4 'arabbiata':11 'balkan':1 'brass':19 'bregovic':2 'from':6 'funerals':8 'gypsy':14 'klezmer':15,17 'loc':12 'mi':16,18 'molto':10 'polizia':9 'songs':5 'style':13 'tales':3 'weddings':7
                                    'search_combo'  'album':8C 'and':15 'arabbiata':3A,22 'balkan':12 'brass':30 'bregovic':5B,6B,13 'from':17 'funerals':19 'goran':4B 'gypsy':25 'klezmer':26,28 'loc':23 'mi':27,29 'molto':2A,21 'non':7C 'nonalbum':9C 'polizia':1A,20 'songs':16 'style':24 'tales':14 'tracks':10C,11C 'weddings':18
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'gypsy', 'balkan', 'folk', 'ethnic']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528363.3687935  (2021-05-09 04:46:03)
                             'size'  3580205