======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '437'
                                          'artist'  'The Prodigy'
                                     'text_people'  ''
                                         'release'  'Singles Remix'
                                           'title'  'Smack My Bitch Up (DJ Hype remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
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 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'breakbeat', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '85'
                                             'key'  '6B'
                                        'acoustid'  '69c94bd8-a4da-4575-9e97-55ebfc047394'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Singles Remix'
'TBPM' (BPM (beats per minute))                     '85'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Smack My Bitch Up (DJ Hype remix)'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'The Prodigy'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Prodigy, The'
'TSOP' (Performer sort order)                       'Prodigy, The'
'TSRC' (ISRC (international standard recording code))  'GBBKS9700156'
'TXXX:Acoustid Id'                                  '69c94bd8-a4da-4575-9e97-55ebfc047394'
'TXXX:Artists'                                      'The Prodigy'
'TXXX:MusicBrainz Album Artist Id'                  '4a4ee089-93b1-4470-af9a-6ff575d32704'
'TXXX:MusicBrainz Album Id'                         '30f81f7a-f827-4bf8-838e-d738215426ce'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/remix'
'TXXX:MusicBrainz Artist Id'                        '4a4ee089-93b1-4470-af9a-6ff575d32704'
'TXXX:MusicBrainz Release Group Id'                 '142fa927-8ee1-3933-be2a-d0f50ec1e29e'
'TXXX:MusicBrainz Release Track Id'                 '47ff616c-e811-38ee-a6ad-3da90179feec'
'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', 'breakbeat', 'big beat']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:mood'                                         'Not acoustic/Not relaxed/Happy/Party/Aggressive/Electronic/Not sad'
'TXXX:original release date'                        ['1998', '1998']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.506069'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f1110d6e-a654-4d16-97f0-05e17d26b587')

========================== row from database ==========================
                                              'id'  1331896
                                            'path'  /data/Music/Bulk/00poprockelectronic/Prodigy/Remixes/Prodigy - Smack my Bitch Up (Dj Hype Remix) - 04.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  437
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  7077266
                                           'mtime'  1621696525
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Remixes my (Dj Remix) 04 electronic generic or radio bigbeat
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Singles Remix
                                       'tag_title'  Smack My Bitch Up (DJ Hype remix)
                                             'bpm'  85.0
                                    'search_title'  'bitch':3 'dj':5,6 'hype':7 'my':2 'remix':8,9 'smack':1 'up':4
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'remix':2 'singles':1
                                     'search_rest'  '00poprockelectronic':1 'bigbeat':12 'dj':4,5 'electronic':8 'generic':9 'my':3 'or':10 'radio':11 'remix':6,7 'remixes':2
                                    'search_combo'  '00poprockelectronic':14 'bigbeat':25 'bitch':3A 'dj':5A,6A,17,18 'electronic':21 'generic':22 'hype':7A 'my':2A,16 'or':23 'prodigy':11B 'radio':24 'remix':8A,9A,13C,19,20 'remixes':15 'singles':12C 'smack':1A 'the':10B 'up':4A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6B
                                           '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-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'breakbeat', 'big beat']

============================== file details ==============================
                                           'mtime'  1621696525.0883598  (2021-05-22 17:15:25)
                             'size'  7077266