======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '192'
                                          'artist'  'Makiladoras'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Verloren Zaak'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'hardcore', 'hardcore punk', 'crust', 'crust punk']"
                                     'discogstags'  "['hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust'
                                             'bpm'  '140.6'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '140.6'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-crust'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Verloren Zaak'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Makiladoras'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Mp3gain_minmax'                               '106,194'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['hardcore', 'rock']
'TXXX:lastfmtags'                                   ['female vocalists', 'hardcore', 'hardcore punk', 'crust', 'crust punk']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.426778'

========================== row from database ==========================
                                              'id'  1399346
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Makiladoras/Unknown Album/03_Verloren_Zaak.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  192
                                           'genre'  eid-metal-crust
                                        'filesize'  3846530
                                           'mtime'  1620310653
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Unknown Album 03_Verloren_Zaak eid metal crust
                                      'tag_artist'  Makiladoras
                                     'tag_release'  None
                                       'tag_title'  Verloren Zaak
                                             'bpm'  140.6
                                    'search_title'  'verloren':1 'zaak':2
                                   'search_artist'  'makiladoras':1
                                  'search_release'  
                                     'search_rest'  '00dwimp':1 '00metal':2 '03':5 'album':4 'crust':10 'eid':8 'metal':9 'unknown':3 'verloren':6 'zaak':7
                                    'search_combo'  '00dwimp':4 '00metal':5 '03':8 'album':7 'crust':13 'eid':11 'makiladoras':3B 'metal':12 'unknown':6 'verloren':1A,9 'zaak':2A,10
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['female vocalists', 'hardcore', 'hardcore punk', 'crust', 'crust punk']
                                        'tag_date'  2005
                                     'discogstags'  ['hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620310652.6229222  (2021-05-06 16:17:32)
                             'size'  3846530