======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '144'
                                          'artist'  'Wielewaal'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Jeugdmars & Als Wij Schrijden 1940'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands;prerock-vocal'
                                             'bpm'  '124.5'
                                             'key'  '10B'
                                        '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))                     '124.5'
'TCON' (Content type, a.k.a. Genre)                 ['loc-eur-netherlands', 'prerock-vocal']
'TDRC' (Recording time)                             '1940'
'TIT2' (Title/songname/content description)         'Jeugdmars & Als Wij Schrijden 1940'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '144000'
'TPE1' (Lead performer(s)/Soloist(s))               'Wielewaal'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.27 dB'
'TXXX:replaygain_track_peak'                        '0.525077'

========================== row from database ==========================
                                              'id'  1492012
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Wielewaal - Jeugdmars & Als Wij Schrijden 1940.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  144
                                           'genre'  loc-eur-netherlands;prerock-vocal
                                        'filesize'  2921317
                                           'mtime'  1621629408
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch loc eur netherlands;prerock vocal
                                      'tag_artist'  Wielewaal
                                     'tag_release'  None
                                       'tag_title'  Jeugdmars & Als Wij Schrijden 1940
                                             'bpm'  124.5
                                    'search_title'  '1940':5 'als':2 'jeugdmars':1 'schrijden':4 'wij':3
                                   'search_artist'  'wielewaal':1
                                  'search_release'  
                                     'search_rest'  '00dutch':4 '00mid':1 'eur':6 'europe':3 'loc':5 'netherlands':7,9 'north':2 'prerock':8,10 'vocal':11
                                    'search_combo'  '00dutch':10 '00mid':7 '1940':5A 'als':2A 'eur':12 'europe':9 'jeugdmars':1A 'loc':11 'netherlands':13,15 'north':8 'prerock':14,16 'schrijden':4A 'vocal':17 'wielewaal':6B 'wij':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629408.3781931  (2021-05-21 22:36:48)
                             'size'  2921317