======================== unified (from filesystem) ========================
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                                        'duration'  '259'
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                      'tracktotal'  '9'
                                            'date'  '2014'
                                        'comments'  ''
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                                             'bpm'  '142.0'
                                             'key'  '8A'
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rest: ''

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'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '2014'
'TDRC' (Recording time)                             '2014-10-14'
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'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'My Brother the Wind'
'TPE2' (Band/orchestra/accompaniment)               'My Brother the Wind'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Free Electric Sound'
'TRCK' (Track number/Position in set)               '9/9'
'TSO2'                                              'My Brother the Wind'
'TSOP' (Performer sort order)                       'My Brother the Wind'
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'TXXX:Artists'                                      'My Brother the Wind'
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'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental',
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 'space rock',
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'TXXX:originalyear'                                 '2014'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
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'TXXX:q-drums'                                      '3'
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                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/My Brother the Wind - (2014) once there was a time when time and space were one/09 - epilogue.mp3
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                                    'duration_sec'  259
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  10458306
                                           'mtime'  1620736683
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                                      'tag_artist'  My Brother the Wind
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                                       'tag_title'  Epilogue
                                             'bpm'  142.0
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                                     'search_rest'  '2014':2,3 'classicprogpsy':1 'cppex':14 'epilogue':12 'once':4 'one':11 'psychedelic':15 'rock':13 'space':9 'there':5 'time':7 'was':6 'were':10 'when':8
                                    'search_combo'  '2014':17,18 'a':9C 'and':12C 'brother':3B 'classicprogpsy':16 'cppex':29 'epilogue':1A,27 'my':2B 'once':6C,19 'one':15C,26 'psychedelic':30 'rock':28 'space':13C,24 'the':4B 'there':7C,20 'time':10C,22 'was':8C,21 'were':14C,25 'when':11C,23 'wind':5B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'progressive rock', 'space rock', 'psychedelic rock', 'psychedelic']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736682.8308256  (2021-05-11 14:38:02)
                             'size'  10458306