======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '248'
                                          'artist'  'Seraphim System'
                                     'text_people'  'www.mp3db.pro'
                                         'release'  'Natural Predator'
                                           'title'  'The Poison'
                                           'quals'  ("['Q-HAP-2', 'Q-SYN-3', 'Q-UNU-3', 'Q-PLAY-3', 'q-bass-2', 'Q-CHART-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-3', 'Q-LOCALNESS-1', 'Q-BUSY-3', "
 "'Q-GRIT-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2020'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '86.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Natural Predator'
'TBPM' (BPM (beats per minute))                     '86.5'
'TCOM' (Composer)                                   'www.mp3db.pro'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDRC' (Recording time)                             '2020-22-12'
'TIT2' (Title/songname/content description)         'The Poison'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '248'
'TPE1' (Lead performer(s)/Soloist(s))               'Seraphim System'
'TPE2' (Band/orchestra/accompaniment)               'Seraphim System'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'Seraphim System'
'TRCK' (Track number/Position in set)               '6'
'TSRC' (ISRC (international standard recording code))  'TCAFH2065238'
'TXXX:ARTISTS'                                      'Seraphim System'
'TXXX:BARCODE'                                      '859744474987'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-9.34 dB'
'TXXX:replaygain_track_peak'                        '1.086056'

========================== row from database ==========================
                                              'id'  1539035
                                            'path'  /data/Music/Bulk/00dwimp/2020 - natural predator (complete)/06. The Poison.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  248
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  10258528
                                           'mtime'  1639424171
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 2020 natural predator (complete) 06. eid ebm industrial darkwave industrial
                                      'tag_artist'  Seraphim System
                                     'tag_release'  Natural Predator
                                       'tag_title'  The Poison
                                             'bpm'  86.5
                                    'search_title'  'poison':2 'the':1
                                   'search_artist'  'seraphim':1 'system':2
                                  'search_release'  'natural':1 'predator':2
                                     'search_rest'  '00dwimp':1 '06':7,8 '2020':2 'complete':5,6 'darkwave':12 'ebm':10 'eid':9 'industrial':11 'natural':3 'predator':4
                                    'search_combo'  '00dwimp':7 '06':13,14 '2020':8 'complete':11,12 'darkwave':18 'ebm':16 'eid':15 'industrial':17 'natural':5C,9 'poison':2A 'predator':6C,10 'seraphim':3B 'system':4B 'the':1A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-SYN-3', 'Q-UNU-3', 'Q-PLAY-3', 'q-bass-2', 'Q-CHART-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-3', 'Q-LOCALNESS-1', 'Q-BUSY-3', 'Q-GRIT-4']
                                      'lastfmtags'  []
                                        'tag_date'  2020
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639424171.1588185  (2021-12-13 20:36:11)
                             'size'  10258528