======================== unified (from filesystem) ========================
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                                        'duration'  '134'
                                          'artist'  'Nervous Norvus'
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                                           'title'  'Boris the Blue Nosed Baboon'
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                                      'lastfmtags'  "['comedy', 'novelty', 'rockabilly', 'dr. demento']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '33'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly;set-pl-mor'
                                             'bpm'  '125.470'
                                             'key'  '8A'
                                        'acoustid'  'f811f9f3-01b8-40cc-a777-2fca0f750499'
rest: ''

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

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'COMM:ID3v1 Comment:XXX'                            'None'
'COMM:MusicMatch_Preference:eng'                    'None'
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'TBPM' (BPM (beats per minute))                     '125.470'
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'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Boris the Blue Nosed Baboon'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '134504'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nervous Norvus'
'TPE2' (Band/orchestra/accompaniment)               'Nervous Norvus'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Norton Records'
'TRCK' (Track number/Position in set)               '21/33'
'TSO2'                                              'Nervous Norvus'
'TSOP' (Performer sort order)                       'Nervous Norvus'
'TXXX:Acoustid Id'                                  'f811f9f3-01b8-40cc-a777-2fca0f750499'
'TXXX:Artists'                                      'Nervous Norvus'
'TXXX:BARCODE'                                      '731253030321'
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'TXXX:MusicBrainz Album Id'                         'ee113c07-8e29-4d8c-adbe-4342735a4557'
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'TXXX:Q-HHRNBTT'                                    '1'
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'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['comedy', 'novelty', 'rockabilly', 'dr. demento']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
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'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.93 dB'
'TXXX:replaygain_track_peak'                        '0.531244'
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========================== row from database ==========================
                                              'id'  1319195
                                            'path'  /data/Music/Bulk/00poprockelectronic/nervous norvus/21 Boris The Blue Nosed Baboon.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  134
                                           'genre'  rock-rockabilly or psychobilly;set-pl-mor
                                        'filesize'  2764768
                                           'mtime'  1620527007
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic nervous norvus 21 rock rockabilly psychobilly;set pl mor
                                      'tag_artist'  Nervous Norvus
                                     'tag_release'  Stone Age Woo: The Zorch Sounds of Nervous Norvus
                                       'tag_title'  Boris the Blue Nosed Baboon
                                             'bpm'  125.47
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                                   'search_artist'  'nervous':1 'norvus':2
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                                     'search_rest'  '00poprockelectronic':1 '21':4 'mor':12 'nervous':2 'norvus':3 'pl':11 'psychobilly':7,9 'rock':5 'rockabilly':6 'set':8,10
                                    'search_combo'  '00poprockelectronic':18 '21':21 'age':9C 'baboon':5A 'blue':3A 'boris':1A 'mor':29 'nervous':6B,16C,19 'norvus':7B,17C,20 'nosed':4A 'of':15C 'pl':28 'psychobilly':24,26 'rock':22 'rockabilly':23 'set':25,27 'sounds':14C 'stone':8C 'the':2A,12C 'woo':10C,11C 'zorch':13C
                                    'tag_tracknum'  21
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'novelty', 'rockabilly', 'dr. demento']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527007.0569553  (2021-05-09 04:23:27)
                             'size'  2764768