======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '188'
                                          'artist'  'Annie Cordy'
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                                         'release'  'Trashcan Records Vol. 10 - Mondo Exotica Pt. 3'
                                           'title'  "C'est Pour Ca (France)"
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                                      'lastfmtags'  "['chanson francaise', 'belgium', 'pop', 'chanson française']"
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  '31'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '111.5'
                                             'key'  '5A'
                                        'acoustid'  ''
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======================== rawer (from filesystem) ========================

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'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 10 - Mondo Exotica Pt. 3'
'TBPM' (BPM (beats per minute))                     '111.5'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
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'TIT2' (Title/songname/content description)         "C'est Pour Ca (France)"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Annie Cordy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '29/31'
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'TXXX:Q-HHRNBTT'                                    '1'
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'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['chanson francaise', 'belgium', 'pop', 'chanson française']
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
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                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Ruby_s - va - Trashcan Records Vol. 10 - Mondo Exotica Pt. 3/29 - Annie Cordy - C_est Pour Ca (France).mp3
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                                    'duration_sec'  188
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
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                                           'mtime'  1620536702
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                                      'tag_artist'  Annie Cordy
                                     'tag_release'  Trashcan Records Vol. 10 - Mondo Exotica Pt. 3
                                       'tag_title'  C'est Pour Ca (France)
                                             'bpm'  111.5
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                                   'search_artist'  'annie':1 'cordy':2
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                                    'tag_tracknum'  29
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chanson francaise', 'belgium', 'pop', 'chanson française']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536702.3105643  (2021-05-09 07:05:02)
                             'size'  4162684