======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '281'
                                          'artist'  'Cradle Of Filth'
                                     'text_people'  ''
                                         'release'  'Vempire'
                                           'title'  'The Forest Whispers My Name'
                                           '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-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['symphonic black metal', 'black metal', 'metal', 'death metal', 'gothic "
 "metal']")
                                     'discogstags'  "['rock', 'black metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '126.410'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vempire'
'TBPM' (BPM (beats per minute))                     '126.410'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'The Forest Whispers My Name'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cradle Of Filth'
'TRCK' (Track number/Position in set)               '02'
'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', 'black metal']
'TXXX:lastfmtags'                                   ['symphonic black metal', 'black metal', 'metal', 'death metal', 'gothic metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.71 dB'
'TXXX:replaygain_track_peak'                        '0.420749'

========================== row from database ==========================
                                              'id'  1392811
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Cradle Of Filth/V Empire/Cradle of Filth - The Forest Whispers my Name.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  281
                                           'genre'  eid-metal-black
                                        'filesize'  4500352
                                           'mtime'  1620301539
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Empire of my eid metal black
                                      'tag_artist'  Cradle Of Filth
                                     'tag_release'  Vempire
                                       'tag_title'  The Forest Whispers My Name
                                             'bpm'  126.41
                                    'search_title'  'forest':2 'my':4 'name':5 'the':1 'whispers':3
                                   'search_artist'  'cradle':1 'filth':3 'of':2
                                  'search_release'  'vempire':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':8 'eid':6 'empire':3 'metal':7 'my':5 'of':4
                                    'search_combo'  '00dwimp':10 '00metal':11 'black':17 'cradle':6B 'eid':15 'empire':12 'filth':8B 'forest':2A 'metal':16 'my':4A,14 'name':5A 'of':7B,13 'the':1A 'vempire':9C 'whispers':3A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  7A
                                           '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-4', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['symphonic black metal', 'black metal', 'metal', 'death metal', 'gothic metal']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'black metal']

============================== file details ==============================
                                           'mtime'  1620301539.1892529  (2021-05-06 13:45:39)
                             'size'  4500352