======================== unified (from filesystem) ========================
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                                        'duration'  '207'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'Porgy And Bess'
                                           'title'  "I Got Plenty of Nuttin'"
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '131.0'
                                             'key'  '8A'
                                        'acoustid'  'd9affb6a-1f20-477f-b476-6117496574a2'
rest: ''

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

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'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1958'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         "I Got Plenty of Nuttin'"
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Somerset Entertainment Ltd.'
'TRCK' (Track number/Position in set)               '3/9'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TXXX:Acoustid Id'                                  'd9affb6a-1f20-477f-b476-6117496574a2'
'TXXX:Artists'                                      '101 Strings Orchestra'
'TXXX:CATALOGNUMBER'                                'SF-8600'
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'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5c176092-cb4d-4e05-806b-1e9414f2b28c'
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'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1958'
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.95 dB'
'TXXX:replaygain_track_peak'                        '0.681212'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4f438a33-e530-492e-8a9d-cea6d0c58959')

========================== row from database ==========================
                                              'id'  1518106
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1958 - Porgy And Bess/03 - I Got Plenty Of Nothin_.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  207
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  8295322
                                           'mtime'  1621705519
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1958 03 Of Nothin_ electronic generic radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Porgy And Bess
                                       'tag_title'  I Got Plenty of Nuttin'
                                             'bpm'  131.0
                                    'search_title'  'got':2 'i':1 'nuttin':5,6 'of':4 'plenty':3
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'and':2 'bess':3 'porgy':1
                                     'search_rest'  '1958':6 'country':4 'easy':12 'electronic':9 'exotica':2 'generic':10 'jazz':1 'listening':13 'nothin':8 'of':7 'oldies':3 'radio':11 'the':5
                                    'search_combo'  '101':7B '1958':18 'and':11C 'bess':12C 'country':16 'easy':24 'electronic':21 'exotica':14 'generic':22 'got':2A 'i':1A 'jazz':13 'listening':25 'nothin':20 'nuttin':5A,6A 'of':4A,19 'oldies':15 'orchestra':9B 'plenty':3A 'porgy':10C 'radio':23 'strings':8B 'the':17
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705518.8125377  (2021-05-22 19:45:18)
                             'size'  8295322