======================== unified (from filesystem) ========================
                                         'bitrate'  '194.791'
                                        'duration'  '376'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  'No Protection'
                                           'title'  'Backward Sucking (Heat Miser)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '8'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '145'
                                             'key'  '6B'
                                        'acoustid'  '8dba9473-c430-43cf-a69c-f8367fa50cd0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'versus the mad professor'
'COMM:ID3v1 Comment:XXX'                            'versus the mad professor'
'COMM:ID3v1 Comment:eng'                            'versus the mad professor'
'TALB' (Album/Movie/Show title)                     'No Protection'
'TBPM' (BPM (beats per minute))                     '145'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '2004-04-01'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Backward Sucking (Heat Miser)'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Massive Attack'
'TPE2' (Band/orchestra/accompaniment)               'Massive Attack'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8/8'
'TSO2'                                              'Massive Attack'
'TSOP' (Performer sort order)                       'Massive Attack'
'TXXX:Acoustid Id'                                  '8dba9473-c430-43cf-a69c-f8367fa50cd0'
'TXXX:Artists'                                      'Massive Attack'
'TXXX:MusicBrainz Album Artist Id'                  '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Album Id'                         'd7f10f30-50ae-402e-a50f-af7c3c6b6e57'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/remix'
'TXXX:MusicBrainz Artist Id'                        '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Release Group Id'                 '54bd7d44-86e1-3e3c-82e0-10febdedcbda'
'TXXX:MusicBrainz Release Track Id'                 'ceee2cab-ce3b-3bd2-8ff3-72141f646d08'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '0.509998'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'462979c0-fc8e-4884-8458-83d5f8d0ce1b')

========================== row from database ==========================
                                              'id'  1456091
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Massive Attack/no protection/backward sucking.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  376
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  9240241
                                           'mtime'  1636910765
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip no protection backward sucking electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  No Protection
                                       'tag_title'  Backward Sucking (Heat Miser)
                                             'bpm'  145.0
                                    'search_title'  'backward':1 'heat':3,4 'miser':5,6 'sucking':2
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  'no':1 'protection':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':12 'backward':5 'downtempo':11 'electronic':7 'hop':9 'jazz':13 'no':3 'or':10 'protection':4 'sucking':6 'trip':8
                                    'search_combo'  '00poprockelectronic':11 '00trip':12 'acid':22 'attack':8B 'backward':1A,15 'downtempo':21 'electronic':17 'heat':3A,4A 'hop':19 'jazz':23 'massive':7B 'miser':5A,6A 'no':9C,13 'or':20 'protection':10C,14 'sucking':2A,16 'trip':18
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910765.2390025  (2021-11-14 18:26:05)
                             'size'  9240241