======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '280'
                                          'artist'  'Finntroll'
                                     'text_people'  ''
                                         'release'  'Midnattens Widunder'
                                           'title'  'Midnattens Widunder'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk metal', 'black metal', 'viking metal', 'metal', 'finnish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '106.756'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Midnattens Widunder'
'TBPM' (BPM (beats per minute))                     '106.756'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Midnattens Widunder'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Finntroll'
'TRCK' (Track number/Position in set)               '7'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['folk metal', 'black metal', 'viking metal', 'metal', 'finnish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.68 dB'
'TXXX:replaygain_track_peak'                        '0.414782'

========================== row from database ==========================
                                              'id'  1399842
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Finntroll/Midnattens Widunder/07-Midnattens Widunder.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  280
                                           'genre'  eid-metal-black
                                        'filesize'  6725632
                                           'mtime'  1620301689
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 07 eid metal black
                                      'tag_artist'  Finntroll
                                     'tag_release'  Midnattens Widunder
                                       'tag_title'  Midnattens Widunder
                                             'bpm'  106.756
                                    'search_title'  'midnattens':1 'widunder':2
                                   'search_artist'  'finntroll':1
                                  'search_release'  'midnattens':1 'widunder':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':5 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':6 '00metal':7 'black':10 'eid':8 'finntroll':3B 'metal':9 'midnattens':1A,4C 'widunder':2A,5C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['folk metal', 'black metal', 'viking metal', 'metal', 'finnish']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301688.5262241  (2021-05-06 13:48:08)
                             'size'  6725632