======================== unified (from filesystem) ========================
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                                        'duration'  '577'
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                                           'title'  'Walk like an Egyptian (2005 White Label Remix)'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
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                                      'lastfmtags'  "['80s', 'pop', 'female vocalists', 'new wave', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '9'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '122.0'
                                             'key'  '1B'
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rest: ''

======================== rawer (from filesystem) ========================

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'COMM:iTunes_CDDB_TrackNumber:eng'                  '8'
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'TBPM' (BPM (beats per minute))                     '122.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes v4.7.1'
'TIT2' (Title/songname/content description)         'Walk like an Egyptian (2005 White Label Remix)'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Bengals'
'TRCK' (Track number/Position in set)               '8/9'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'pop', 'female vocalists', 'new wave', 'rock']
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'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
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'TXXX:replaygain_track_gain'                        '-1.30 dB'
'TXXX:replaygain_track_peak'                        '0.599500'

========================== row from database ==========================
                                              'id'  766490
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Elektronikzeugs/The Bengals - Walk like an Egyptian (2005 White Label Remix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  577
                                           'genre'  electronic-unsorted
                                        'filesize'  13863096
                                           'mtime'  1620536682
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Elektronikzeugs electronic unsorted
                                      'tag_artist'  The Bengals
                                     'tag_release'  Elephant
                                       'tag_title'  Walk like an Egyptian (2005 White Label Remix)
                                             'bpm'  122.0
                                    'search_title'  '2005':5,6 'an':3 'egyptian':4 'label':8 'like':2 'remix':9,10 'walk':1 'white':7
                                   'search_artist'  'bengals':2 'the':1
                                  'search_release'  'elephant':1
                                     'search_rest'  'electronic':2 'elektronikzeugs':1 'unsorted':3
                                    'search_combo'  '2005':5A,6A 'an':3A 'bengals':12B 'egyptian':4A 'electronic':15 'elektronikzeugs':14 'elephant':13C 'label':8A 'like':2A 'remix':9A,10A 'the':11B 'unsorted':16 'walk':1A 'white':7A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'pop', 'female vocalists', 'new wave', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536682.1664028  (2021-05-09 07:04:42)
                             'size'  13863096