======================== unified (from filesystem) ========================
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                                        'duration'  '317'
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                                           'title'  'Il mistero dei bulli'
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                                      'lastfmtags'  "['rock', '77davez all tracks', 'demenziale', 'progressive rock', 'italian']"
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '15'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'loc-eur-italy'
                                             'bpm'  '129.6'
                                             'key'  '6A'
                                        'acoustid'  '7af23ddb-d7b8-4353-bad9-39b81bd4f58a'
rest: ''

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'TBPM' (BPM (beats per minute))                     '129.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-italy'
'TCOP' (Copyright message)                          '℗ 2016 Hukapan S.r.l.'
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016-02-12'
'TIT2' (Title/songname/content description)         'Il mistero dei bulli'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Elio e le Storie Tese'
'TPE2' (Band/orchestra/accompaniment)               'Elio e le Storie Tese'
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'TSO2'                                              'Elio e le storie tese'
'TSOP' (Performer sort order)                       'Elio e le storie tese'
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========================== row from database ==========================
                                              'id'  1390686
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/Elio & Le Storie Tese - Figgatta De Blanc - 2016/05 Il mistero dei bulli.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  317
                                           'genre'  loc-eur-italy
                                        'filesize'  12750723
                                           'mtime'  1620532504
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe & Le De 2016 05 loc eur italy
                                      'tag_artist'  Elio e le Storie Tese
                                     'tag_release'  Figgatta de Blanc
                                       'tag_title'  Il mistero dei bulli
                                             'bpm'  129.6
                                    'search_title'  'bulli':4 'dei':3 'il':1 'mistero':2
                                   'search_artist'  'e':2 'elio':1 'le':3 'storie':4 'tese':5
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                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', '77davez all tracks', 'demenziale', 'progressive rock', 'italian']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620532504.023547  (2021-05-09 05:55:04)
                             'size'  12750723