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

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'COMM:ID3v1 Comment:XXX'                            '3A09B105'
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'TDRC' (Recording time)                             '2001'
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'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fairport Convention'
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'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk rock', 'british folk', 'british', 'folk']
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'TXXX:q-syn'                                        '2'
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'TXXX:replaygain_track_gain'                        '+0.38 dB'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Fairport Convention/Babbacombe Lee/Fairport Convention - John_s Reflections on His Boyhood, His Introduction to Miss Keyes and the Glen, His Restlessness, A - 01.mp3
                                         'working'  None
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                                    'duration_sec'  377
                                           'genre'  soundtrack-video
                                        'filesize'  8183410
                                           'mtime'  1622758070
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                                        'rest_str'   00singer songwriter eos John_s Reflections His Boyhood, His Introduction His Restlessness, A 01 soundtrack video
                                      'tag_artist'  Fairport Convention
                                     'tag_release'  Babbacombe Lee
                                       'tag_title'  John's reflections on his boyhood, his introduction to Miss Keyes and the Glen, his restlessness, a
                                             'bpm'  113.389
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                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'british folk', 'british', 'folk']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622758069.8470566  (2021-06-04 00:07:49)
                             'size'  8183410