======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  'Dick Willebrandts'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Ouwe Taaie (vocal - Jan De Vries)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '135.0'
                                             'key'  '6A'
                                        '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))                     '135.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1943-05-20'
'TIT2' (Title/songname/content description)         'Ouwe Taaie (vocal - Jan De Vries)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '167000'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Willebrandts'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'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'                        '+2.14 dB'
'TXXX:replaygain_track_peak'                        '0.554441'

========================== row from database ==========================
                                              'id'  1468567
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/Dick Willebrandts - Ouwe Taaie (vocal - Jan de Vries) 20-5-1943.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  prerock-vocal
                                        'filesize'  3423196
                                           'mtime'  1642081191
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 de 20 5 1943 prerock
                                      'tag_artist'  Dick Willebrandts
                                     'tag_release'  None
                                       'tag_title'  Ouwe Taaie (vocal - Jan De Vries)
                                             'bpm'  135.0
                                    'search_title'  'de':6 'jan':5 'ouwe':1 'taaie':2 'vocal':3,4 'vries':7,8
                                   'search_artist'  'dick':1 'willebrandts':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1943':6 '20':8 '5':9 'country':4 'de':7 'exotica':2 'jazz':1 'oldies':3 'prerock':10
                                    'search_combo'  '00oldiepop':15 '1943':16 '20':18 '5':19 'country':14 'de':6A,17 'dick':9B 'exotica':12 'jan':5A 'jazz':11 'oldies':13 'ouwe':1A 'prerock':20 'taaie':2A 'vocal':3A,4A 'vries':7A,8A 'willebrandts':10B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642081191.410969  (2022-01-13 14:39:51)
                             'size'  3423196