======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '280'
                                          'artist'  'Ton Steine Scherben'
                                     'text_people'  ''
                                         'release'  'Keine Macht für Niemand'
                                           'title'  'Feierabend'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-GRIT-2', 'Q-CHART-2', 'Q-MIXBEAT-2', 'Q-BUSY-3', "
 "'Q-PLAY-3', 'q-bass-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '12'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '86.5'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Keine Macht für Niemand'
'TBPM' (BPM (beats per minute))                     '86.5'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Feierabend'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ton Steine Scherben'
'TRCK' (Track number/Position in set)               '02/12'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-3.94 dB'
'TXXX:replaygain_track_peak'                        '0.848863'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'add3a92e-820b-454f-abec-2756546c68ed')

========================== row from database ==========================
                                              'id'  1537002
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Keine Macht fuer Niemand/02 - Ton Steine Scherben - Feierabend.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  280
                                           'genre'  
                                        'filesize'  5667119
                                           'mtime'  1695907194
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy fuer 02
                                      'tag_artist'  Ton Steine Scherben
                                     'tag_release'  Keine Macht für Niemand
                                       'tag_title'  Feierabend
                                             'bpm'  86.5
                                    'search_title'  'feierabend':1
                                   'search_artist'  'scherben':3 'steine':2 'ton':1
                                  'search_release'  'fur':3,4 'keine':1 'macht':2 'niemand':5
                                     'search_rest'  'classicprogpsy':1 'fuer':2
                                    'search_combo'  'classicprogpsy':10 'feierabend':1A 'fuer':11 'fur':7C,8C 'keine':5C 'macht':6C 'niemand':9C 'scherben':4B 'steine':3B 'ton':2B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-OLDST-2', 'Q-SYN-2', 'Q-GRIT-2', 'Q-CHART-2', 'Q-MIXBEAT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1695907193.5761263  (2023-09-28 15:19:53)
                             'size'  5667119