======================== unified (from filesystem) ========================
                                         'bitrate'  '253.663'
                                        'duration'  '309'
                                          'artist'  'Critical System Error'
                                     'text_people'  ''
                                         'release'  'Deicide'
                                           'title'  'The Last Generation'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-3', 'Q-PLAY-2', 'q-bass-1', "
 "'Q-CHART-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['rhythmic noise', 'powernoise', 'dark electro', 'industrial', 'power noise']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '136.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Lbl: DSBP CC: 1106'
'COMM:ID3v1 Comment:eng'                            'Lbl: DSBP CC: 1106'
'TALB' (Album/Movie/Show title)                     'Deicide'
'TBPM' (BPM (beats per minute))                     '136.0'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'Lame 3.97 Mod'
'TIT2' (Title/songname/content description)         'The Last Generation'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Critical System Error'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['rhythmic noise', 'powernoise', 'dark electro', 'industrial', 'power noise']
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.90 dB'
'TXXX:replaygain_track_peak'                        '0.367388'

========================== row from database ==========================
                                              'id'  1488497
                                            'path'  /data/Music/Bulk/00dwimp/2011 Critical System Error [Deicide]/08. The Last Generation.mp3
                                         'working'  None
                                         'bitrate'  253
                                    'duration_sec'  309
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  9860818
                                           'mtime'  1620298329
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 2011 [Deicide] 08. eid ebm industrial darkwave industrial
                                      'tag_artist'  Critical System Error
                                     'tag_release'  Deicide
                                       'tag_title'  The Last Generation
                                             'bpm'  136.0
                                    'search_title'  'generation':3 'last':2 'the':1
                                   'search_artist'  'critical':1 'error':3 'system':2
                                  'search_release'  'deicide':1
                                     'search_rest'  '00dwimp':1 '08':5,6 '2011':2 'darkwave':10 'deicide':3,4 'ebm':8 'eid':7 'industrial':9
                                    'search_combo'  '00dwimp':8 '08':12,13 '2011':9 'critical':4B 'darkwave':17 'deicide':7C,10,11 'ebm':15 'eid':14 'error':6B 'generation':3A 'industrial':16 'last':2A 'system':5B 'the':1A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-4', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-1', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['rhythmic noise', 'powernoise', 'dark electro', 'industrial', 'power noise']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620298329.2003694  (2021-05-06 12:52:09)
                             'size'  9860818