======================== unified (from filesystem) ========================
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                                        'duration'  '216'
                                          'artist'  'Wendy Carlos'
                                     'text_people'  'Johann Sebastian Bach/Bach, Johann Sebastian'
                                         'release'  'The Well-Tempered Synthesizer'
                                           'title'  'J. S. Bach: Brandenburg Concerto #4 in G Major: II - Andante'
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                                      'lastfmtags'  "['soundtrack', 'electronic', 'experimental', 'classical', 'moog']"
                                     'discogstags'  ("['electronic', 'non-music', 'classical', 'baroque', 'modern classical', "
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                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;mi-earlysynth'
                                             'bpm'  '124.5'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '124.5'
'TCOM' (Composer)                                   'Johann Sebastian Bach/Bach, Johann Sebastian'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'mi-earlysynth']
'TDRC' (Recording time)                             '1999'
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'TIT2' (Title/songname/content description)         'J. S. Bach: Brandenburg Concerto #4 in G Major: II - Andante'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Wendy Carlos'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic',
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 'classical',
 'baroque',
 'modern classical',
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'TXXX:lastfmtags'                                   ['soundtrack', 'electronic', 'experimental', 'classical', 'moog']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
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'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.531215'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Wendy Carlos - Walter Carlos - The Well-Tempered Synthesizer/Wendy Carlos - The Well-Tempered Synthesizer - 10 - J. S. Bach Brandenburg Concerto #4 in G Major II - Andante.mp3
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                                         'bitrate'  320
                                    'duration_sec'  216
                                           'genre'  electronic-experimental-early;mi-earlysynth
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                                           'mtime'  1636401901
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                                        'rest_str'   00exnnpjpsprgttidm Walter 10 electronic experimental early;mi earlysynth
                                      'tag_artist'  Wendy Carlos
                                     'tag_release'  The Well-Tempered Synthesizer
                                       'tag_title'  J. S. Bach: Brandenburg Concerto #4 in G Major: II - Andante
                                             'bpm'  124.5
                                    'search_title'  '4':9,10 'andante':16 'bach':5,6 'brandenburg':7 'concerto':8 'g':12 'ii':15 'in':11 'j':1,2 'major':13,14 's':3,4
                                   'search_artist'  'carlos':2 'wendy':1
                                  'search_release'  'synthesizer':5 'tempered':3 'the':1 'well':2 'welltempered':4
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                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'electronic', 'experimental', 'classical', 'moog']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic', 'non-music', 'classical', 'baroque', 'modern classical', 'spoken word']

============================== file details ==============================
                                           'mtime'  1636401900.8114367  (2021-11-08 21:05:00)
                             'size'  8663487