======================== unified (from filesystem) ========================
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                                        'duration'  '701'
                                          'artist'  'Iszoloscope'
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                                      'lastfmtags'  ("['industrial', 'power noise', 'rhythmic noise', 'noise', 'dark ambient', "
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                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
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                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '107.492'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TIT2' (Title/songname/content description)         'Contemplating Paranoia And The Morning After'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Iszoloscope'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['industrial',
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 'rhythmic noise',
 'noise',
 'dark ambient',
 'powernoise']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.01 dB'
'TXXX:replaygain_track_peak'                        '0.589823'

========================== row from database ==========================
                                              'id'  135545
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Iszoloscope/iszoloscope - coagulating wreckage (complete)/Iszoloscope - 11 - Contemplating Paranoia And The Morning After.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  701
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  16846742
                                           'mtime'  1620298491
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm iszoloscope coagulating wreckage (complete) 11 eid ebm industrial darkwave industrial
                                      'tag_artist'  Iszoloscope
                                     'tag_release'  Coagulating Wreckage 
                                       'tag_title'  Contemplating Paranoia And The Morning After
                                             'bpm'  107.492
                                    'search_title'  'after':6 'and':3 'contemplating':1 'morning':5 'paranoia':2 'the':4
                                   'search_artist'  'iszoloscope':1
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                                     'search_rest'  'coagulating':2 'complete':4,5 'darkwave':9 'ebm':7 'eid':6 'industrial':8 'iszoloscope':1 'wreckage':3
                                    'search_combo'  'after':6A 'and':3A 'coagulating':8C,11 'complete':13,14 'contemplating':1A 'darkwave':18 'ebm':16 'eid':15 'industrial':17 'iszoloscope':7B,10 'morning':5A 'paranoia':2A 'the':4A 'wreckage':9C,12
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'power noise', 'rhythmic noise', 'noise', 'dark ambient', 'powernoise']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620298490.554924  (2021-05-06 12:54:50)
                             'size'  16846742