======================== unified (from filesystem) ========================
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                                        'duration'  '232'
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                                      'lastfmtags'  "['deep house', 'techno', 'electronic', 'minimal', 'house']"
                                     'discogstags'  "['electronic', 'downtempo', 'idm', 'deep house']"
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                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '14'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
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                                             'key'  '5B'
                                        'acoustid'  'b1a5e388-9471-45f1-ae15-8a1b99b17625'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000001EA 0000012E 00002498 0000116D 00019A34 000276EB 00008A7F 0000804E '
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'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000804 00000000009C1FEC 00000000 008D8493 00000000 '
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'COMM:iTunes_CDDB_IDs:eng'                          '14++'
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'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-02-16'
'TIT2' (Title/songname/content description)         'Problems With the Sun'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Nicolas Jaar'
'TPE2' (Band/orchestra/accompaniment)               'Nicolas Jaar'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Circus Company'
'TRCK' (Track number/Position in set)               '7/14'
'TSO2'                                              'Jaar, Nicolas'
'TSOP' (Performer sort order)                       'Jaar, Nicolas'
'TSRC' (ISRC (international standard recording code))  'FR2T01100011'
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'TXXX:BARCODE'                                      '827170367364'
'TXXX:CATALOGNUMBER'                                'CCS055'
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'TXXX:MusicBrainz Album Id'                         '66164486-f28e-37f1-91bd-7462fbd20f73'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '06e99a1b-4020-4380-ab27-1a3e0c5e557c'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'downtempo', 'idm', 'deep house']
'TXXX:lastfmtags'                                   ['deep house', 'techno', 'electronic', 'minimal', 'house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
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'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.86 dB'
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========================== row from database ==========================
                                              'id'  1367165
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Nicolas Jaar - Space Is Only Noise/07.Problems With The Sun.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  232
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  9345732
                                           'mtime'  1621085168
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats 07.Problems The electronic techno minimal or deephouse
                                      'tag_artist'  Nicolas Jaar
                                     'tag_release'  Space Is Only Noise
                                       'tag_title'  Problems With the Sun
                                             'bpm'  100.0
                                    'search_title'  'problems':1 'sun':4 'the':3 'with':2
                                   'search_artist'  'jaar':2 'nicolas':1
                                  'search_release'  'is':2 'noise':4 'only':3 'space':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '07':6 '07problems':8 'beats':5 'deephouse':14 'electronic':10 'harder':4 'house':3 'minimal':12 'or':13 'problems':7 'techno':11 'the':9
                                    'search_combo'  '00poprockelectronic':11 '00techno':12 '07':16 '07problems':18 'beats':15 'deephouse':24 'electronic':20 'harder':14 'house':13 'is':8C 'jaar':6B 'minimal':22 'nicolas':5B 'noise':10C 'only':9C 'or':23 'problems':1A,17 'space':7C 'sun':4A 'techno':21 'the':3A,19 'with':2A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['deep house', 'techno', 'electronic', 'minimal', 'house']
                                        'tag_date'  2011
                                     'discogstags'  ['electronic', 'downtempo', 'idm', 'deep house']

============================== file details ==============================
                                           'mtime'  1621085168.1127229  (2021-05-15 15:26:08)
                             'size'  9345732