======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '191'
                                          'artist'  'Burn it Down'
                                     'text_people'  ''
                                         'release'  'Music from Before The Storm'
                                           'title'  'Daughter'
                                           'quals'  ("['Q-OLDST-3', 'Q-HAP-2', 'Q-SYN-2', 'Q-UNU-2', 'Q-BUSY-3', 'Q-GRIT-2', "
 "'q-bass-4', 'Q-JZFKS-1', 'q-drums-3', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['metalcore', 'hardcore', '90s metalcore', 'mathcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-gr-garage'
                                             'bpm'  '132.0'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music from Before The Storm'
'TBPM' (BPM (beats per minute))                     '132.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-garage'
'TIT2' (Title/songname/content description)         'Daughter'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Burn it Down'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['metalcore', 'hardcore', '90s metalcore', 'mathcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-7.89 dB'
'TXXX:replaygain_track_peak'                        '1.007007'

========================== row from database ==========================
                                              'id'  1483488
                                            'path'  /data/Music/Bulk/0soundtrack/Soundtrack/(18)Burn it Down - Daughter.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  rock-gr-garage
                                        'filesize'  7681097
                                           'mtime'  1620392934
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Soundtrack (18)Burn rock gr garage
                                      'tag_artist'  Burn it Down
                                     'tag_release'  Music from Before The Storm
                                       'tag_title'  Daughter
                                             'bpm'  132.0
                                    'search_title'  'daughter':1
                                   'search_artist'  'burn':1 'down':3 'it':2
                                  'search_release'  'before':3 'from':2 'music':1 'storm':5 'the':4
                                     'search_rest'  '0soundtrack':1 '18':3 '18burn':5 'burn':4 'garage':8 'gr':7 'rock':6 'soundtrack':2
                                    'search_combo'  '0soundtrack':10 '18':12 '18burn':14 'before':7C 'burn':2B,13 'daughter':1A 'down':4B 'from':6C 'garage':17 'gr':16 'it':3B 'music':5C 'rock':15 'soundtrack':11 'storm':9C 'the':8C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['metalcore', 'hardcore', '90s metalcore', 'mathcore']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392933.744915  (2021-05-07 15:08:53)
                             'size'  7681097