======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '485'
                                          'artist'  'Stimming'
                                     'text_people'  ''
                                         'release'  'Stimming'
                                           'title'  'Die Mächtigen'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-JZFKS-1', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['minimal techno', 'house', 'techno', 'tech house', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '110.8'
                                             'key'  '11A'
                                        'acoustid'  '17c8cf33-4e76-41e9-aafe-39aa03fe34af'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Stimming'
'TBPM' (BPM (beats per minute))                     '110.8'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-06-03'
'TIT2' (Title/songname/content description)         'Die Mächtigen'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Stimming'
'TPE2' (Band/orchestra/accompaniment)               'Stimming'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Diynamic Music'
'TRCK' (Track number/Position in set)               '7/12'
'TSO2'                                              'Stimming'
'TSOP' (Performer sort order)                       'Stimming'
'TXXX:ASIN'                                         'B00C7O8HAC'
'TXXX:Acoustid Id'                                  '17c8cf33-4e76-41e9-aafe-39aa03fe34af'
'TXXX:CATALOGNUMBER'                                'DIYNAMIC CD10'
'TXXX:MusicBrainz Album Artist Id'                  '738f5d0d-3704-44db-823f-8ddad2dc1508'
'TXXX:MusicBrainz Album Id'                         'fb6ec311-6304-45c1-bbbb-c634d05ffd3b'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '738f5d0d-3704-44db-823f-8ddad2dc1508'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal techno', 'house', 'techno', 'tech house', 'minimal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.606262'

========================== row from database ==========================
                                              'id'  1120808
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Stimming/07 Die Machtigen.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  485
                                           'genre'  electronic
                                        'filesize'  19414421
                                           'mtime'  1636912708
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 07 Machtigen electronic
                                      'tag_artist'  Stimming
                                     'tag_release'  Stimming
                                       'tag_title'  Die Mächtigen
                                             'bpm'  110.8
                                    'search_title'  'die':1 'machtigen':2,3
                                   'search_artist'  'stimming':1
                                  'search_release'  'stimming':1
                                     'search_rest'  'electronic':2 'machtigen':1
                                    'search_combo'  'die':1A 'electronic':7 'machtigen':2A,3A,6 'stimming':4B,5C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno', 'house', 'techno', 'tech house', 'minimal']
                                        'tag_date'  2013
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912708.048544  (2021-11-14 18:58:28)
                             'size'  19414421