======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '193'
                                          'artist'  'Ted Lewis'
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                                         'release'  'The Jazzworthy Ted Lewis: 1929-1933'
                                           'title'  "Aunt Hagar's Blues"
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                                      'lastfmtags'  "['all', 'jazz', 'severni amerika', '20s', 'klezmer']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '22'
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '106.029'
                                             'key'  '8A'
                                        'acoustid'  '9cb52b72-fbd6-4d72-868a-00de387e126d'
rest: ''

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

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'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         "Aunt Hagar's Blues"
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ted Lewis'
'TPE2' (Band/orchestra/accompaniment)               'Ted Lewis'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Retrieval'
'TRCK' (Track number/Position in set)               '5/22'
'TSO2'                                              'Lewis, Ted'
'TSOP' (Performer sort order)                       'Lewis, Ted'
'TXXX:ASIN'                                         'B000006H5M'
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'TXXX:BARCODE'                                      '608917901429'
'TXXX:CATALOGNUMBER'                                'RTR 79014'
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'TXXX:MusicBrainz Album Id'                         '9948aaa6-75ec-4ae6-a4e8-b416ba63c804'
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'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['all', 'jazz', 'severni amerika', '20s', 'klezmer']
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========================== row from database ==========================
                                              'id'  1523048
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/30_s collection/ted lewis (ted lewis vocal) - aunt hagar_s blues 1930ver.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  193
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3119104
                                           'mtime'  1620527943
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 30_s collection ted lewis (ted lewis vocal) aunt hagar_s blues 1930ver prerock jb jazz unsorted
                                      'tag_artist'  Ted Lewis
                                     'tag_release'  The Jazzworthy Ted Lewis: 1929-1933
                                       'tag_title'  Aunt Hagar's Blues
                                             'bpm'  106.029
                                    'search_title'  'aunt':1 'blues':5 'hagar':2 'hagars':4 's':3
                                   'search_artist'  'lewis':2 'ted':1
                                  'search_release'  '1929':6 '19291933':8 '1933':7 'jazzworthy':2 'lewis':4,5 'ted':3 'the':1
                                     'search_rest'  '1930ver':17 '30':5 'aunt':13 'blues':16 'collection':7 'country':4 'exotica':2 'hagar':14 'jazz':1 'jb':19 'lewis':9 'oldies':3 'prerock':18 's':6,15 'ted':8,10 'unsorted':20 'vocal':11,12
                                    'search_combo'  '1929':13C '19291933':15C '1930ver':32 '1933':14C '30':20 'aunt':1A,28 'blues':5A,31 'collection':22 'country':19 'exotica':17 'hagar':2A,29 'hagars':4A 'jazz':16 'jazzworthy':9C 'jb':34 'lewis':7B,11C,12C,24 'oldies':18 'prerock':33 's':3A,21,30 'ted':6B,10C,23,25 'the':8C 'unsorted':35 'vocal':26,27
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           '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-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'jazz', 'severni amerika', '20s', 'klezmer']
                                        'tag_date'  1935
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620527942.9367292  (2021-05-09 04:39:02)
                             'size'  3119104