======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '177'
                                          'artist'  'Koos Speenhoff'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wijsgeer (+ Caesarine Speenhoff) 12-8-1919'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '140.0'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '140.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'Wijsgeer (+ Caesarine Speenhoff) 12-8-1919'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '177000'
'TPE1' (Lead performer(s)/Soloist(s))               'Koos Speenhoff'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'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'                        '0.814320'

========================== row from database ==========================
                                              'id'  1476021
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Koos Speenhoff - Wijsgeer (+ Caesarine) 12-8-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  177
                                           'genre'  prerock-unsorted
                                        'filesize'  3615779
                                           'mtime'  1621698478
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly Caesarine) prerock unsorted
                                      'tag_artist'  Koos Speenhoff
                                     'tag_release'  None
                                       'tag_title'  Wijsgeer (+ Caesarine Speenhoff) 12-8-1919
                                             'bpm'  140.0
                                    'search_title'  '12':5 '1281919':8 '1919':7 '8':6 'caesarine':2 'speenhoff':3,4 'wijsgeer':1
                                   'search_artist'  'koos':1 'speenhoff':2
                                  'search_release'  
                                     'search_rest'  'caesarine':2,3 'prerock':4 'unsorted':5 'veryearly':1
                                    'search_combo'  '12':5A '1281919':8A '1919':7A '8':6A 'caesarine':2A,12,13 'koos':9B 'prerock':14 'speenhoff':3A,4A,10B 'unsorted':15 'veryearly':11 'wijsgeer':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698477.5845597  (2021-05-22 17:47:57)
                             'size'  3615779