======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '172'
                                          'artist'  'Cradle of Filth'
                                     'text_people'  ''
                                         'release'  'Cruelty and the Beast'
                                           'title'  'Portrait of the Dead Countess'
                                           '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['symphonic black metal', 'black metal', 'metal', 'death metal', 'gothic "
 "metal']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '137.013'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cruelty and the Beast'
'TBPM' (BPM (beats per minute))                     '137.013'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Portrait of the Dead Countess'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cradle of Filth'
'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'                                  ['black metal', 'rock']
'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'                                      '1'
'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'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.598553'

========================== row from database ==========================
                                              'id'  1402016
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Cradle Of Filth/Cruelty And The Beast/Cradle of Filth - Portrait of the Dead Countess.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  172
                                           'genre'  eid-metal-black
                                        'filesize'  4145150
                                           'mtime'  1620301522
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Of And The eid metal black
                                      'tag_artist'  Cradle of Filth
                                     'tag_release'  Cruelty and the Beast
                                       'tag_title'  Portrait of the Dead Countess
                                             'bpm'  137.013
                                    'search_title'  'countess':5 'dead':4 'of':2 'portrait':1 'the':3
                                   'search_artist'  'cradle':1 'filth':3 'of':2
                                  'search_release'  'and':2 'beast':4 'cruelty':1 'the':3
                                     'search_rest'  '00dwimp':1 '00metal':2 'and':4 'black':8 'eid':6 'metal':7 'of':3 'the':5
                                    'search_combo'  '00dwimp':13 '00metal':14 'and':10C,16 'beast':12C 'black':20 'countess':5A 'cradle':6B 'cruelty':9C 'dead':4A 'eid':18 'filth':8B 'metal':19 'of':2A,7B,15 'portrait':1A 'the':3A,11C,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           '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-1', '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'  1998
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301522.3645418  (2021-05-06 13:45:22)
                             'size'  4145150