======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '173'
                                          'artist'  'Die Conrads und Hannes Stuetz'
                                     'text_people'  ''
                                         'release'  'Lehrlinge zusammenhalten'
                                           'title'  'Dick und Doof in der Fabrik'
                                           'quals'  ("['Q-JZFKS-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  '17'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '94.064'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000000DF 00000122 000004DA'
'COMM:iTunNORM:eng'                                 (' 000000DF 00000122 000004DA 000005FD 0001D4EE 0001D4EE 00003BDE 00002FD3 '
 '00000045 00009C57')
'TALB' (Album/Movie/Show title)                     'Lehrlinge zusammenhalten'
'TBPM' (BPM (beats per minute))                     '94.064'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TIT2' (Title/songname/content description)         'Dick und Doof in der Fabrik'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Die Conrads und Hannes Stuetz'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '07/17'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:date'                                         '1969'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.740366'

========================== row from database ==========================
                                              'id'  1390035
                                            'path'  /data/Music/Bulk/00localcharacter/Lehrlinge halten zusammen [Apprentices stick together]/07_-_Die_Conrads_und_Hannes_Stuetz_-_Dick_und_Doof_in_der_Fabrik.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  173
                                           'genre'  loc-unsorted
                                        'filesize'  4586993
                                           'mtime'  1620401183
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [Apprentices stick together] 07_ _Die_Conrads_und_Hannes_Stuetz_ _Dick_und_Doof_in_der_Fabrik loc unsorted
                                      'tag_artist'  Die Conrads und Hannes Stuetz
                                     'tag_release'  Lehrlinge zusammenhalten
                                       'tag_title'  Dick und Doof in der Fabrik
                                             'bpm'  94.064
                                    'search_title'  'der':5 'dick':1 'doof':3 'fabrik':6 'in':4 'und':2
                                   'search_artist'  'conrads':2 'die':1 'hannes':4 'stuetz':5 'und':3
                                  'search_release'  'lehrlinge':1 'zusammenhalten':2
                                     'search_rest'  '07':6 'apprentices':1,2 'conrads':8 'der':16 'dick':12 'die':7 'doof':14 'fabrik':17 'hannes':10 'in':15 'loc':18 'stick':3 'stuetz':11 'together':4,5 'und':9,13 'unsorted':19
                                    'search_combo'  '07':19 'apprentices':14,15 'conrads':8B,21 'der':5A,29 'dick':1A,25 'die':7B,20 'doof':3A,27 'fabrik':6A,30 'hannes':10B,23 'in':4A,28 'lehrlinge':12C 'loc':31 'stick':16 'stuetz':11B,24 'together':17,18 'und':2A,9B,22,26 'unsorted':32 'zusammenhalten':13C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401183.4961526  (2021-05-07 17:26:23)
                             'size'  4586993