======================== unified (from filesystem) ========================
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                                        'duration'  '227'
                                          'artist'  'Tom Waits'
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                                           'title'  'Emotional Weather Report'
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                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
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                                      'tracktotal'  '18'
                                            'date'  '1989'
                                        'comments'  ''
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======================== rawer (from filesystem) ========================

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'TDOR' (Original release time)                      '1975'
'TDRC' (Recording time)                             '1989'
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'TIT2' (Title/songname/content description)         'Emotional Weather Report'
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'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TPE2' (Band/orchestra/accompaniment)               'Tom Waits'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Asylum Records'
'TRCK' (Track number/Position in set)               '2/18'
'TSO2'                                              'Waits, Tom'
'TSOP' (Performer sort order)                       'Waits, Tom'
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'TXXX:Q-PIANO'                                      '2'
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'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '4'
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'TXXX:replaygain_track_peak'                        '0.769036'
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========================== row from database ==========================
                                              'id'  1273539
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Waits, Tom - Tom Waits/Nighthawks at the dinner/02 - Emotional Weather Report.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  227
                                           'genre'  ifs-songwriter
                                        'filesize'  4551497
                                           'mtime'  1639508268
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Waits, dinner 02 ifs songwriter
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Nighthawks at the Diner
                                       'tag_title'  Emotional Weather Report
                                             'bpm'  111.211
                                    'search_title'  'emotional':1 'report':3 'weather':2
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'at':2 'diner':4 'nighthawks':1 'the':3
                                     'search_rest'  '00singer':1 'dinner':6 'eos':3 'ifs':7 'songwriter':2 'waits':4,5
                                    'search_combo'  '00singer':10 'at':7C 'diner':9C 'dinner':15 'emotional':1A 'eos':12 'ifs':16 'nighthawks':6C 'report':3A 'songwriter':11 'the':8C 'tom':4B 'waits':5B,13,14 'weather':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'Q-PIANO-2', 'q-mixbeat-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508267.757979  (2021-12-14 19:57:47)
                             'size'  4551497