======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '232'
                                          'artist'  'Beaver & Krause'
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                                           'title'  'Bright Shadows'
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                                      'lastfmtags'  "['avant garde', 'drone', 'electronic', 'experimental', 'psychedelic']"
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                                     'tracknumber'  '19'
                                      'tracktotal'  '19'
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '143.7'
                                             'key'  '2A'
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'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '1971'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Bright Shadows'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Beaver & Krause'
'TPE2' (Band/orchestra/accompaniment)               'Beaver & Krause'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '19/19'
'TSO2'                                              'Beaver & Krause'
'TSOP' (Performer sort order)                       'Beaver & Krause'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:lastfmtags'                                   ['avant garde', 'drone', 'electronic', 'experimental', 'psychedelic']
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'TXXX:q-chart'                                      '1'
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========================== row from database ==========================
                                              'id'  766953
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Beaver & Krause/[1971] Gandharva/10. Bright Shadows.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  232
                                           'genre'  electronic-experimental
                                        'filesize'  3726249
                                           'mtime'  1622801675
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [1971] 10. electronic experimental
                                      'tag_artist'  Beaver & Krause
                                     'tag_release'  In a Wild Sanctuary / Gandharva
                                       'tag_title'  Bright Shadows
                                             'bpm'  143.7
                                    'search_title'  'bright':1 'shadows':2
                                   'search_artist'  'beaver':1 'krause':2
                                  'search_release'  'a':2 'gandharva':5 'in':1 'sanctuary':4 'wild':3
                                     'search_rest'  '10':3,4 '1971':1,2 'electronic':5 'experimental':6
                                    'search_combo'  '10':12,13 '1971':10,11 'a':6C 'beaver':3B 'bright':1A 'electronic':14 'experimental':15 'gandharva':9C 'in':5C 'krause':4B 'sanctuary':8C 'shadows':2A 'wild':7C
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['avant garde', 'drone', 'electronic', 'experimental', 'psychedelic']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801675.1374116  (2021-06-04 12:14:35)
                             'size'  3726249