======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '185'
                                          'artist'  'Elvis Costello'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  'She'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'new wave', 'alternative', 'singer songwriter', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '137.106'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '137.106'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TIT2' (Title/songname/content description)         'She'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Elvis Costello'
'TSOP' (Performer sort order)                       'Costello, Elvis'
'TXXX:Artists'                                      'Elvis Costello'
'TXXX:MP3GAIN_MINMAX'                               '000,185'
'TXXX:MP3GAIN_UNDO'                                 '+005,+005,N'
'TXXX:MusicBrainz Artist Id'                        '8a338e06-d182-46f2-bd16-30a09bc840ba'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classic rock', 'new wave', 'alternative', 'singer songwriter', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.447826'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'189d3817-635c-4683-84d8-05e298b23840')

========================== row from database ==========================
                                              'id'  790551
                                            'path'  /data/Music/Bulk/0soundtrack/Pulp Fiction/Notting Hill/03 - she.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  185
                                           'genre'  soundtrack-video
                                        'filesize'  4445173
                                           'mtime'  1676053048
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Pulp Fiction Notting Hill 03 she soundtrack video
                                      'tag_artist'  Elvis Costello
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  She
                                             'bpm'  137.106
                                    'search_title'  'she':1
                                   'search_artist'  'costello':2 'elvis':1
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '0soundtrack':1 'fiction':3 'hill':5 'notting':4 'pulp':2 'she':6 'soundtrack':7 'video':8
                                    'search_combo'  '0soundtrack':9 'album':5C 'costello':3B 'elvis':2B 'fiction':11 'hill':13 'non':4C 'nonalbum':6C 'notting':12 'pulp':10 'she':1A,14 'soundtrack':15 'tracks':7C,8C 'video':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['classic rock', 'new wave', 'alternative', 'singer songwriter', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676053047.5558896  (2023-02-10 19:17:27)
                             'size'  4445173