======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '170'
                                          'artist'  'Cradle Of Filth'
                                     'text_people'  ''
                                         'release'  'Vempire'
                                           'title'  'Ebony Dressed For Sunset'
                                           '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-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'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'  '01'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '103.908'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Vempire'
'TBPM' (BPM (beats per minute))                     '103.908'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Ebony Dressed For Sunset'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cradle Of Filth'
'TRCK' (Track number/Position in set)               '01'
'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'                                      '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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.337436'

========================== row from database ==========================
                                              'id'  1392573
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Cradle Of Filth/V Empire/Cradle of Filth - Ebony Dressed For Sunset.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  170
                                           'genre'  eid-metal-black
                                        'filesize'  2724397
                                           'mtime'  1620301534
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Empire of eid metal black
                                      'tag_artist'  Cradle Of Filth
                                     'tag_release'  Vempire
                                       'tag_title'  Ebony Dressed For Sunset
                                             'bpm'  103.908
                                    'search_title'  'dressed':2 'ebony':1 'for':3 'sunset':4
                                   'search_artist'  'cradle':1 'filth':3 'of':2
                                  'search_release'  'vempire':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':7 'eid':5 'empire':3 'metal':6 'of':4
                                    'search_combo'  '00dwimp':9 '00metal':10 'black':15 'cradle':5B 'dressed':2A 'ebony':1A 'eid':13 'empire':11 'filth':7B 'for':3A 'metal':14 'of':6B,12 'sunset':4A 'vempire':8C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           '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-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', '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'  1620301533.8952372  (2021-05-06 13:45:33)
                             'size'  2724397