======================== unified (from filesystem) ========================
                                         'bitrate'  '205.327'
                                        'duration'  '297'
                                          'artist'  'Bal-Sagoth'
                                     'text_people'  ''
                                         'release'  'The Chthonic Chronicles'
                                           'title'  'To Storm the Cyclopean Gates o'
                                           '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-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['symphonic black metal', 'metal', 'black metal', 'symphonic metal', 'epic "
 "metal']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-symphonic'
                                             'bpm'  '108.762'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Chthonic Chronicles'
'TBPM' (BPM (beats per minute))                     '108.762'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-symphonic'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'To Storm the Cyclopean Gates o'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bal-Sagoth'
'TRCK' (Track number/Position in set)               '9'
'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',
 'metal',
 'black metal',
 'symphonic metal',
 'epic metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.372454'

========================== row from database ==========================
                                              'id'  1395843
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Bal-Sagoth/The Chthonic Chronicles/09. To Storm The Cyclopean Gates Of Byzantium.mp3
                                         'working'  None
                                         'bitrate'  205
                                    'duration_sec'  297
                                           'genre'  eid-metal-symphonic
                                        'filesize'  7636391
                                           'mtime'  1620311485
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 09. Of Byzantium eid metal symphonic
                                      'tag_artist'  Bal-Sagoth
                                     'tag_release'  The Chthonic Chronicles
                                       'tag_title'  To Storm the Cyclopean Gates o
                                             'bpm'  108.762
                                    'search_title'  'cyclopean':4 'gates':5 'o':6 'storm':2 'the':3 'to':1
                                   'search_artist'  'bal':1 'balsagoth':3 'sagoth':2
                                  'search_release'  'chronicles':3 'chthonic':2 'the':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '09':3,4 'byzantium':6 'eid':7 'metal':8 'of':5 'symphonic':9
                                    'search_combo'  '00dwimp':13 '00metal':14 '09':15,16 'bal':7B 'balsagoth':9B 'byzantium':18 'chronicles':12C 'chthonic':11C 'cyclopean':4A 'eid':19 'gates':5A 'metal':20 'o':6A 'of':17 'sagoth':8B 'storm':2A 'symphonic':21 'the':3A,10C 'to':1A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['symphonic black metal', 'metal', 'black metal', 'symphonic metal', 'epic metal']
                                        'tag_date'  2006
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620311485.3013325  (2021-05-06 16:31:25)
                             'size'  7636391