<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '347'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  '100th Window'
                                           'title'  'A Prayer for England'
                                           '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-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'leftfield', 'trip hop', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '108.2'
                                             'key'  '4A'
                                        'acoustid'  '640af63c-cba7-45e7-bd67-f95e3ffd330e'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382dad60>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1456246"/>
'PRIV:AverageLevel:5 \x00\x00'                      PRIV(owner='AverageLevel', data=b'5 \x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     '100th Window'
'TBPM' (BPM (beats per minute))                     '108.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'A Prayer for England'
'TKEY' (Initial key)                                '4A'
'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'
'TRCK' (Track number/Position in set)               '6/10'
'TSO2'                                              'Massive Attack'
'TSOP' (Performer sort order)                       'Massive Attack'
'TSRC' (ISRC (international standard recording code))  'GBAAA0201162'
'TXXX:Acoustid Id'                                  '640af63c-cba7-45e7-bd67-f95e3ffd330e'
'TXXX:Artists'                                      'Massive Attack'
'TXXX:MusicBrainz Album Artist Id'                  '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Album Id'                         '9c41c9a4-47ae-43dc-aed1-d1abbc3b4c87'
'TXXX:MusicBrainz Album Release Country'            'NZ'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Release Group Id'                 'd9c12c5f-8ad8-334a-a238-fad5a91af242'
'TXXX:MusicBrainz Release Track Id'                 'd4737102-7821-3baf-a69c-22bee6279c25'
'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', 'leftfield', 'trip hop', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.46 dB'
'TXXX:replaygain_track_peak'                        '0.625465'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8cc27ac3-e8b1-4209-8945-7f4f38d80308')
'USLT::XXX'                                         ('In the name of, and by the power of\n'
 'The holy spirit\n'
 'May we invoke your intercession for\n'
 'The children of England\n'
 'Some of whom have seen\n'
 'Murder so obscene \n'
 'Some of whom have been taken\n'
 'Let not another child be slain\n'
 'Let not another search be made in vain\n'
 '\n'
 'Jah forgive us for forgetting\n'
 'Jah help us, we need more loving\n'
 'You see the teachers are representing you\n'
 'So badly that not many can see you\n'
 'Let not another child be slain\n'
 'Let not another search be made in vain\n'
 '\n'
 'Jah calls the ones whose\n'
 'Beliefs killed children to\n'
 'Feel the love of you and be healed\n'
 'And may we all cry too\n'
 'For representing you so badly, so badly\n'
 'Jah forgive us for forgetting\n'
 'Oh Jah help us to be forgiving\n'
 'The teachers are representing you\n'
 'So badly that not many can see you\n'
 'Let not another search be made in vain\n'
 'Let not another child be slain\n')

========================== row from database ==========================
                                              'id'  1456246
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Massive Attack/100th window/06 - prayer for england.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  347
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  11175296
                                           'mtime'  1636910712
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip window 06 prayer england electronic trip hop downtempo acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  100th Window
                                       'tag_title'  A Prayer for England
                                             'bpm'  108.2
                                    'search_title'  'a':1 'england':4 'for':3 'prayer':2
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  '100th':1 'window':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':10 'downtempo':9 'electronic':6 'england':5 'hop':8 'jazz':11 'prayer':4 'trip':7 'window':3
                                    'search_combo'  '00poprockelectronic':9 '00trip':10 '100th':7C 'a':1A 'acid':18 'attack':6B 'downtempo':17 'electronic':14 'england':4A,13 'for':3A 'hop':16 'jazz':19 'massive':5B 'prayer':2A,12 'trip':15 'window':8C,11
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'leftfield', 'trip hop', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636910712.149896  (2021-11-14 18:25:12)
                             'size'  11175296