======================== unified (from filesystem) ========================
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'TBPM' (BPM (beats per minute))                     '119.054'
'TCOM' (Composer)                                   ('Florence Welch, Robert Ackroyd, Christopher Lloyd Hayden, Isabella Summers, '
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'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-pop'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-10-28'
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'TIT2' (Title/songname/content description)         'Lover to Lover'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Florence + The Machine'
'TPE2' (Band/orchestra/accompaniment)               'Florence + the Machine'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Universal Island Records'
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'TSO2'                                              'Florence + the Machine'
'TSOA' (Album sort order)                           'Ceremonials (Deluxe Version)'
'TSOP' (Performer sort order)                       'Florence + the Machine'
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'TXXX:Q-UNU'                                        '1'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Florence And The Machine/Florence + The Machine/Ceremonials/06 Lover To Lover.mp3
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                                    'duration_sec'  242
                                           'genre'  ifs-songwriter-pop
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                                           'mtime'  1620645446
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                                     'tag_release'  Ceremonials
                                       'tag_title'  Lover to Lover
                                             'bpm'  119.054
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                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'female vocalists', 'british']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620645446.2847605  (2021-05-10 13:17:26)
                             'size'  9861809