======================== unified (from filesystem) ========================
                                         'bitrate'  '232.129'
                                        'duration'  '675'
                                          'artist'  'White Noise'
                                     'text_people'  'David Vorhaus'
                                         'release'  'An Electric Storm'
                                           'title'  'The Visitation'
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                                      'lastfmtags'  ("['electronic', 'earwaves', 'psychedelic rock', 'psychedelic', 'avant garde', "
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                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '7'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '133.0'
                                             'key'  '10A'
                                        'acoustid'  '2ec0d41f-fdce-4671-97f5-eeee140229bd'
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======================== rawer (from filesystem) ========================

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'TBPM' (BPM (beats per minute))                     '133.0'
'TCOM' (Composer)                                   'David Vorhaus'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1968'
'TDRC' (Recording time)                             '2008'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Joe Black'], ['producer', 'David Vorhaus'], ['engineer', 'Delia Derbyshire'], ['engineer', 'Brian Hodgson'], ['percussion', 'Paul Lytton'], ['vocal', 'Val Shaw'], ['vocal', 'Annie Bird'], ['vocal', 'John Whitman']])
'TIT2' (Title/songname/content description)         'The Visitation'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '45765'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'White Noise'
'TPE2' (Band/orchestra/accompaniment)               'White Noise'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Island'
'TRCK' (Track number/Position in set)               '6/7'
'TSO2'                                              'White Noise'
'TSOP' (Performer sort order)                       'White Noise'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.98 (beta)'
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'TXXX:MusicBrainz Album Id'                         '4047aca1-0f30-3cc1-a230-6ec7f3563adc'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'eebe62ef-b943-4c63-adc0-c638973a5ae4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic',
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 'psychedelic rock',
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'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.595664'
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========================== row from database ==========================
                                              'id'  768404
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/White Noise/[1969] An Electric Storm/06. The Visitations.mp3
                                         'working'  None
                                         'bitrate'  232
                                    'duration_sec'  675
                                           'genre'  electronic-experimental
                                        'filesize'  19617973
                                           'mtime'  1636917232
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [1969] 06. Visitations electronic experimental
                                      'tag_artist'  White Noise
                                     'tag_release'  An Electric Storm
                                       'tag_title'  The Visitation
                                             'bpm'  133.0
                                    'search_title'  'the':1 'visitation':2
                                   'search_artist'  'noise':2 'white':1
                                  'search_release'  'an':1 'electric':2 'storm':3
                                     'search_rest'  '06':3,4 '1969':1,2 'electronic':6 'experimental':7 'visitations':5
                                    'search_combo'  '06':10,11 '1969':8,9 'an':5C 'electric':6C 'electronic':13 'experimental':14 'noise':4B 'storm':7C 'the':1A 'visitation':2A 'visitations':12 'white':3B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'earwaves', 'psychedelic rock', 'psychedelic', 'avant garde', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636917232.3396463  (2021-11-14 20:13:52)
                             'size'  19617973