======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '259'
                                          'artist'  'The Prodigy'
                                     'text_people'  'Donita Sparks/James/Knight/Walsh'
                                         'release'  'The Fat Of The Land'
                                           'title'  'Fuel My Fire'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'hip hop', 'breakbeat', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '84.987'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00001AC7 000016A1 00006E04 00006C75 0003E92D 00018165 00008000 00008000 '
 '000035F7 000035F7')
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'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionGroupID:ª\x87vðFã)C§\xadÛÆ\x95P\x18\x04'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xaa\x87v\xf0F\xe3)C\xa7\xad\xdb\xc6\x95P\x18\x04')
'PRIV:WM/WMCollectionID:ª\x87vðFã)C§\xadÛÆ\x95P\x18\x04'  PRIV(owner='WM/WMCollectionID', data=b'\xaa\x87v\xf0F\xe3)C\xa7\xad\xdb\xc6\x95P\x18\x04')
'PRIV:WM/WMContentID:a\xa0\x9föà\x97ÞC\x83Ä\x90nÉ\x8c\x7f\x83'  PRIV(owner='WM/WMContentID', data=b'a\xa0\x9f\xf6\xe0\x97\xdeC\x83\xc4\x90n\xc9\x8c\x7f\x83')
'TALB' (Album/Movie/Show title)                     'The Fat Of The Land'
'TBPM' (BPM (beats per minute))                     '84.987'
'TCOM' (Composer)                                   'Donita Sparks/James/Knight/Walsh'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Fuel My Fire'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '259160'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'The Prodigy'
'TPUB' (Publisher)                                  'XL Mute/Maverick/Warner Bros.'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'breakbeat', 'big beat']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.09 dB'
'TXXX:replaygain_track_peak'                        '0.418091'

========================== row from database ==========================
                                              'id'  1299661
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Prodigy/copia de 10 - the prodigy - the fat of the land - fuel my fire.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  259
                                           'genre'  electronic-th-techno
                                        'filesize'  6223872
                                           'mtime'  1620572485
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted copia de 10 the prodigy the fat of the land fuel my fire electronic th techno
                                      'tag_artist'  The Prodigy
                                     'tag_release'  The Fat Of The Land
                                       'tag_title'  Fuel My Fire
                                             'bpm'  84.987
                                    'search_title'  'fire':3 'fuel':1 'my':2
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'fat':2 'land':4 'of':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'copia':3 'de':4 'electronic':13 'fat':7 'fire':12 'fuel':10 'land':9 'my':11 'of':8 'prodigy':6 'techno':15 'th':14 'the':5 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'copia':12 'de':13 'electronic':22 'fat':7C,16 'fire':3A,21 'fuel':1A,19 'land':9C,18 'my':2A,20 'of':8C,17 'prodigy':5B,15 'techno':24 'th':23 'the':4B,6C,14 'unsorted':11
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'hip hop', 'breakbeat', 'big beat']

============================== file details ==============================
                                           'mtime'  1620572484.7265048  (2021-05-09 17:01:24)
                             'size'  6223872