======================== unified (from filesystem) ========================
                                         'bitrate'  '207.694'
                                        'duration'  '314'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  'Risingson'
                                           'title'  'Superpredators (The Mad Professor remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'trip hop', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '4'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '88'
                                             'key'  '3A'
                                        'acoustid'  'cd8521be-e97a-464d-973a-76e4a5f6684d'
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)                     'Risingson'
'TBPM' (BPM (beats per minute))                     '88'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997-06-30'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Superpredators (The Mad Professor remix)'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Massive Attack'
'TPE2' (Band/orchestra/accompaniment)               'Massive Attack'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Wild Bunch Records'
'TRCK' (Track number/Position in set)               '2/4'
'TSO2'                                              'Massive Attack'
'TSOP' (Performer sort order)                       'Massive Attack'
'TSRC' (ISRC (international standard recording code))  'GBAAA0800589/GBAAA9700001'
'TXXX:ASIN'                                         'B00004TVY6'
'TXXX:Acoustid Id'                                  'cd8521be-e97a-464d-973a-76e4a5f6684d'
'TXXX:Artists'                                      'Massive Attack'
'TXXX:BARCODE'                                      '724389442526'
'TXXX:CATALOGNUMBER'                                'WBRX 8'
'TXXX:MusicBrainz Album Artist Id'                  '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Album Id'                         '1bbd36d7-a782-436d-9aa0-99a7f9551bc1'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Release Group Id'                 'e429f736-584e-318b-a374-1aa035bbd289'
'TXXX:MusicBrainz Release Track Id'                 'ad22ec62-c73f-384a-9f01-68ebe1b076bb'
'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:discogstags'                                  ['electronic', 'trip hop', 'drum n bass']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.27 dB'
'TXXX:replaygain_track_peak'                        '0.516119'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6a3bd17a-681a-4045-bf90-9afa2a56c13c')

========================== row from database ==========================
                                              'id'  1456069
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Massive Attack/risingson single/superpredators (mad professor remix).mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  314
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  8239127
                                           'mtime'  1636910771
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip risingson single superpredators (mad professor electronic trip hop downtempo acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  Risingson
                                       'tag_title'  Superpredators (The Mad Professor remix)
                                             'bpm'  88.0
                                    'search_title'  'mad':4 'professor':5 'remix':6,7 'superpredators':1 'the':2,3
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  'risingson':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':13 'downtempo':12 'electronic':9 'hop':11 'jazz':14 'mad':6,7 'professor':8 'risingson':3 'single':4 'superpredators':5 'trip':10
                                    'search_combo'  '00poprockelectronic':11 '00trip':12 'acid':23 'attack':9B 'downtempo':22 'electronic':19 'hop':21 'jazz':24 'mad':4A,16,17 'massive':8B 'professor':5A,18 'remix':6A,7A 'risingson':10C,13 'single':14 'superpredators':1A,15 'the':2A,3A 'trip':20
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'trip hop', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1636910771.1403813  (2021-11-14 18:26:11)
                             'size'  8239127