======================== unified (from filesystem) ========================
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                                        'duration'  '312'
                                          'artist'  'Jimi Hendrix'
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '20'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex'
                                             'bpm'  '116.8'
                                             'key'  '4B'
                                        'acoustid'  'd1e87c2b-336a-4f93-8987-c972687fdec7'
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======================== rawer (from filesystem) ========================

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'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic', 'rock-pop-early-blues', 'rock-cppex']
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
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'TIT2' (Title/songname/content description)         'Voodoo Child (slight return)'
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'TPE2' (Band/orchestra/accompaniment)               'Jimi Hendrix'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'MCA Records'
'TRCK' (Track number/Position in set)               '15/20'
'TSO2'                                              'Hendrix, Jimi'
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'TXXX:Artists'                                      'The Jimi Hendrix Experience'
'TXXX:BARCODE'                                      '008811167127'
'TXXX:CATALOGNUMBER'                                'MCD 11671'
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'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
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'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '2'
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'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.331116'
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========================== row from database ==========================
                                              'id'  1486210
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Jimi Hendrix/Jimi Hendrix_/Best Of Jimi Hendrix/Voodoo Child.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  312
                                           'genre'  rock-cppex-psychedelic;rock-pop-early-blues;rock-cppex
                                        'filesize'  7593457
                                           'mtime'  1635960258
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Hendrix_ Of rock cppex psychedelic;rock pop early blues;rock cppex
                                      'tag_artist'  Jimi Hendrix
                                     'tag_release'  Experience Hendrix: The Best of Jimi Hendrix
                                       'tag_title'  Voodoo Child (slight return)
                                             'bpm'  116.8
                                    'search_title'  'child':2 'return':5,6 'slight':3,4 'voodoo':1
                                   'search_artist'  'hendrix':2 'jimi':1
                                  'search_release'  'best':5 'experience':1 'hendrix':2,3 'jimi':7 'of':6 'the':4
                                     'search_rest'  'blues':12,14 'classicprogpsy':1 'cppex':5 'early':11 'hendrix':2 'of':3 'pop':10 'psychedelic':6,8 'rock':4,7,9,13,15
                                    'search_combo'  'best':13C 'blues':27,29 'child':2A 'classicprogpsy':16 'cppex':20 'early':26 'experience':9C 'hendrix':8B,10C,11C,17 'jimi':7B,15C 'of':14C,18 'pop':25 'psychedelic':21,23 'return':5A,6A 'rock':19,22,24,28,30 'slight':3A,4A 'the':12C 'voodoo':1A
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1635960257.6985915  (2021-11-03 18:24:17)
                             'size'  7593457