======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '260'
                                          'artist'  'Tori Amos'
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                                           'title'  "I Don't Like Mondays"
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                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '143.011'
                                             'key'  '1B'
                                        'acoustid'  '4999833e-caa9-47cd-a389-5d8d4217a30d'
rest: ''

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'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-09-17'
'TIT2' (Title/songname/content description)         "I Don't Like Mondays"
'TKEY' (Initial key)                                '1B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Tori Amos'
'TPE2' (Band/orchestra/accompaniment)               'Tori Amos'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Atlantic'
'TRCK' (Track number/Position in set)               '9/12'
'TSO2'                                              'Amos, Tori'
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'TXXX:lastfmtags'                                   ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
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'TXXX:replaygain_track_peak'                        '0.498499'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Tori Amos/Strange Little Girls/09 - Strange Little Girls - I Don_t Like Mondays.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  260
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  4172709
                                           'mtime'  1620647048
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                                     'tag_release'  Strange Little Girls
                                       'tag_title'  I Don't Like Mondays
                                             'bpm'  143.011
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                                   'search_artist'  'amos':2 'tori':1
                                  'search_release'  'girls':3 'little':2 'strange':1
                                     'search_rest'  '00singer':1 'don':4 'eos':3 'ifs':6 'songwriter':2 't':5
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                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1620647048.3035343  (2021-05-10 13:44:08)
                             'size'  4172709