======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '212'
                                          'artist'  'Het Goede Doel'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Eenvoud'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['nederlandstalig', 'pop', 'nederlands', 'dutch', '80s', 'nederpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '93.673'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '93.673'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Eenvoud'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Het Goede Doel'
'TXXX:Mp3gain_minmax'                               '103,191'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['nederlandstalig', 'pop', 'nederlands', 'dutch', '80s', 'nederpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.555727'

========================== row from database ==========================
                                              'id'  932642
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Goede Doel/Het goede doel-Eenvoud.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  212
                                           'genre'  loc-eur-netherlands
                                        'filesize'  2983313
                                           'mtime'  1621625240
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch goede doel loc eur netherlands
                                      'tag_artist'  Het Goede Doel
                                     'tag_release'  None
                                       'tag_title'  Eenvoud
                                             'bpm'  93.673
                                    'search_title'  'eenvoud':1
                                   'search_artist'  'doel':3 'goede':2 'het':1
                                  'search_release'  
                                     'search_rest'  '00dutch':4 '00mid':1 'doel':6 'eur':8 'europe':3 'goede':5 'loc':7 'netherlands':9 'north':2
                                    'search_combo'  '00dutch':8 '00mid':5 'doel':4B,10 'eenvoud':1A 'eur':12 'europe':7 'goede':3B,9 'het':2B 'loc':11 'netherlands':13 'north':6
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['nederlandstalig', 'pop', 'nederlands', 'dutch', '80s', 'nederpop']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625239.6743305  (2021-05-21 21:27:19)
                             'size'  2983313