======================== unified (from filesystem) ========================
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                                        'duration'  '860'
                                          'artist'  'Richard Strauss'
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                                           'title'  'Till Eulenspiegels lustige Streiche, op. 28'
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                                      'lastfmtags'  "['german', 'opera', 'post romantic', 'romantic', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '7'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
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                                        'acoustid'  '4adef639-ac55-4478-aaea-b1eb8c678dc0'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
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'TBPM' (BPM (beats per minute))                     '108'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2007-01-01'
'TIT2' (Title/songname/content description)         'Till Eulenspiegels lustige Streiche, op. 28'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Richard Strauss'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '5/8'
'TPUB' (Publisher)                                  'Sony Music Japan International Inc.'
'TRCK' (Track number/Position in set)               '7/7'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Strauss, Richard'
'TXXX:ASIN'                                         'B000JS77FY'
'TXXX:Acoustid Id'                                  '4adef639-ac55-4478-aaea-b1eb8c678dc0'
'TXXX:Artists'                                      'Richard Strauss'
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'TXXX:MusicBrainz Album Release Country'            'JP'
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'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-UNU'                                        '1'
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'TXXX:lastfmtags'                                   ['german', 'opera', 'post romantic', 'romantic', 'classical']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.15 dB'
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========================== row from database ==========================
                                              'id'  255802
                                            'path'  /data/Music/Bulk/0soundtrack/Nodame/Nodame Cantabile Best 100 - Disc 5/5-07 Till Eulenspiegels lustige Streiche, Op.28.mp3
                                         'working'  None
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                                    'duration_sec'  860
                                           'genre'  soundtrack-video
                                        'filesize'  20715668
                                           'mtime'  1638555468
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                                     'tag_release'  Nodame Cantabile Best 100 Collection Box
                                       'tag_title'  Till Eulenspiegels lustige Streiche, op. 28
                                             'bpm'  108.0
                                    'search_title'  '28':8 'eulenspiegels':2 'lustige':3 'op':6,7 'streiche':4,5 'till':1
                                   'search_artist'  'richard':1 'strauss':2
                                  'search_release'  '100':4 'best':3 'box':6 'cantabile':2 'collection':5 'nodame':1
                                     'search_rest'  '0soundtrack':1 '28':5 '5':3 'disc':2 'op':4 'op28':6 'soundtrack':7 'video':8
                                    'search_combo'  '0soundtrack':17 '100':14C '28':8A,21 '5':19 'best':13C 'box':16C 'cantabile':12C 'collection':15C 'disc':18 'eulenspiegels':2A 'lustige':3A 'nodame':11C 'op':6A,7A,20 'op28':22 'richard':9B 'soundtrack':23 'strauss':10B 'streiche':4A,5A 'till':1A 'video':24
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['german', 'opera', 'post romantic', 'romantic', 'classical']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638555468.3883903  (2021-12-03 19:17:48)
                             'size'  20715668