======================== unified (from filesystem) ========================
                                         'bitrate'  '203.563'
                                        'duration'  '216'
                                          'artist'  'Nemesea'
                                     'text_people'  ''
                                         'release'  'Mana'
                                           'title'  'Mortalitas part 4: From Beneat'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['metal', 'female fronted metal', 'symphonic metal', 'female vocalists', "
 "'gothic metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic'
                                             'bpm'  '129.068'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mana'
'TBPM' (BPM (beats per minute))                     '129.068'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-doom or gothic'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Mortalitas part 4: From Beneat'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nemesea'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metal',
 'female fronted metal',
 'symphonic metal',
 'female vocalists',
 'gothic metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.379565'

========================== row from database ==========================
                                              'id'  1395270
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Nemesea/08 mortalitas_part_4_from_beneath_you_it_devours.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  216
                                           'genre'  eid-metal-doom or gothic
                                        'filesize'  5504519
                                           'mtime'  1620310303
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 08 mortalitas_part_4_from_beneath_you_it_devours eid metal doom gothic
                                      'tag_artist'  Nemesea
                                     'tag_release'  Mana
                                       'tag_title'  Mortalitas part 4: From Beneat
                                             'bpm'  129.068
                                    'search_title'  '4':3,4 'beneat':6 'from':5 'mortalitas':1 'part':2
                                   'search_artist'  'nemesea':1
                                  'search_release'  'mana':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '4':5 'beneath':7 'devours':10 'doom':13 'eid':11 'from':6 'gothic':14 'it':9 'metal':12 'mortalitas':3 'part':4 'you':8
                                    'search_combo'  '00dwimp':9 '00metal':10 '4':3A,4A,13 'beneat':6A 'beneath':15 'devours':18 'doom':21 'eid':19 'from':5A,14 'gothic':22 'it':17 'mana':8C 'metal':20 'mortalitas':1A,11 'nemesea':7B 'part':2A,12 'you':16
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'Q-PLAY-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['metal', 'female fronted metal', 'symphonic metal', 'female vocalists', 'gothic metal']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310303.3099823  (2021-05-06 16:11:43)
                             'size'  5504519