======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '21'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'KINDERLIEDER'
                                           'title'  'Sindbad TV-Theme'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-childrensmusic or educational'
                                             'bpm'  '124.6'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'KINDERLIEDER'
'TBPM' (BPM (beats per minute))                     '124.6'
'TCON' (Content type, a.k.a. Genre)                 'set-th-childrensmusic or educational'
'TIT2' (Title/songname/content description)         'Sindbad TV-Theme'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TSOA' (Album sort order)                           '0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.580815'

========================== row from database ==========================
                                              'id'  1317198
                                            'path'  /data/Music/Bulk/00spent/KINDERLIEDER/TV Theme - Sindbad.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  21
                                           'genre'  set-th-childrensmusic or educational
                                        'filesize'  346159
                                           'mtime'  1642095644
                                   'redo_metaread'  0
                                        'rest_str'   00spent set th childrensmusic or educational
                                      'tag_artist'  [unknown]
                                     'tag_release'  KINDERLIEDER
                                       'tag_title'  Sindbad TV-Theme
                                             'bpm'  124.6
                                    'search_title'  'sindbad':1 'theme':3 'tv':2 'tvtheme':4
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'kinderlieder':1
                                     'search_rest'  '00spent':1 'childrensmusic':4 'educational':6 'or':5 'set':2 'th':3
                                    'search_combo'  '00spent':8 'childrensmusic':11 'educational':13 'kinderlieder':7C 'or':12 'set':9 'sindbad':1A 'th':10 'theme':3A 'tv':2A 'tvtheme':4A 'unknown':5B,6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-1', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642095644.10923  (2022-01-13 18:40:44)
                             'size'  346159