======================== unified (from filesystem) ========================
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                                        'duration'  '237'
                                          'artist'  'Weird Al Yankovic & Wendy Carlos'
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                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '1'
                                      'tracktotal'  '16'
                                            'date'  '1988'
                                        'comments'  ''
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                                             'bpm'  '145.685'
                                             'key'  '9A'
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rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Peter & the Wolf: Carnival of the Animals, Part II'
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDOR' (Original release time)                      '1988'
'TDRC' (Recording time)                             '1988-10-04'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['arranger', 'Wendy Carlos'], ['', 'Wendy Carlos']])
'TIT2' (Title/songname/content description)         'Peter and the Wolf: Introduction'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Weird Al Yankovic & Wendy Carlos'
'TPE2' (Band/orchestra/accompaniment)               'Weird Al Yankovic & Wendy Carlos'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'CBS'
'TRCK' (Track number/Position in set)               '1/16'
'TSO2'                                              'Yankovic, Weird Al & Carlos, Wendy'
'TSOP' (Performer sort order)                       'Yankovic, Weird Al & Carlos, Wendy'
'TXXX:ASIN'                                         'B0000026O3'
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'TXXX:BARCODE'                                      '074644456721'
'TXXX:CATALOGNUMBER'                                'CBS MK44567'
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'TXXX:MusicBrainz Album Id'                         '7be07533-cf48-4545-977f-41c55ffa88cd'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7746d775-9550-4360-b8d5-c37bd448ce01/7e3b3173-2c1f-42c0-8544-0e6d19bb181f'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['comedy', 'parody', 'rock', 'humor', 'funny']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.34 dB'
'TXXX:replaygain_track_peak'                        '0.948826'
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========================== row from database ==========================
                                              'id'  1286494
                                            'path'  /data/Music/Bulk/00spent/Weird Al Yankovic & Wendy Carlos - Peter and the Wolf/01 Peter And The Wolf Introductio.mp3
                                         'working'  None
                                         'bitrate'  152
                                    'duration_sec'  237
                                           'genre'  entertaining-unsorted
                                        'filesize'  4654769
                                           'mtime'  1620647378
                                   'redo_metaread'  0
                                        'rest_str'   00spent 01 And The entertaining unsorted
                                      'tag_artist'  Weird Al Yankovic & Wendy Carlos
                                     'tag_release'  Peter & the Wolf: Carnival of the Animals, Part II
                                       'tag_title'  Peter and the Wolf: Introduction
                                             'bpm'  145.685
                                    'search_title'  'and':2 'introduction':6 'peter':1 'the':3 'wolf':4,5
                                   'search_artist'  'al':2 'carlos':5 'weird':1 'wendy':4 'yankovic':3
                                  'search_release'  'animals':7,8 'carnival':5 'ii':10 'of':6 'part':9 'peter':1 'the':2 'wolf':3,4
                                     'search_rest'  '00spent':1 'and':2 'entertaining':4 'the':3 'unsorted':5
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                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'parody', 'rock', 'humor', 'funny']
                                        'tag_date'  1988
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647377.538036  (2021-05-10 13:49:37)
                             'size'  4654769