======================== unified (from filesystem) ========================
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                                        'duration'  '218'
                                          'artist'  'Black Rebel Motorcycle Club'
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                                           'title'  "We're All in Love"
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                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '16'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '134'
                                             'key'  '9A'
                                        'acoustid'  '065a855c-4898-42e3-aded-1b0d419d49b2'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Take Them On, on Your Own'
'TBPM' (BPM (beats per minute))                     '134'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-08-20'
'TIT2' (Title/songname/content description)         "We're All in Love"
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Rebel Motorcycle Club'
'TPE2' (Band/orchestra/accompaniment)               'Black Rebel Motorcycle Club'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '3/16'
'TSO2'                                              'Black Rebel Motorcycle Club'
'TSOP' (Performer sort order)                       'Black Rebel Motorcycle Club'
'TSRC' (ISRC (international standard recording code))  'USV120300060/USVI20301006'
'TXXX:ASIN'                                         'B000095YRR'
'TXXX:Acoustid Id'                                  '065a855c-4898-42e3-aded-1b0d419d49b2'
'TXXX:Artists'                                      'Black Rebel Motorcycle Club'
'TXXX:BARCODE'                                      '0766482134649'
'TXXX:CATALOGNUMBER'                                'VJCP-68505'
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'TXXX:MusicBrainz Album Id'                         '6bd568e9-2513-4841-b986-c7324e15d5b0'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '32b90c92-9978-4a07-90eb-caa4b22f4907'
'TXXX:MusicBrainz Release Group Id'                 'a4cb926d-404c-3e6e-b33c-44e60e99f8aa'
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'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.299088'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'bf657315-2e9b-4fb8-8ae5-78c751a3ded9')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Black Rebel Motorcycle Club/Take Them On, On Your Own/Black Rebel Motorcycle Club - We_re all In Love.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  218
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  5298817
                                           'mtime'  1638554897
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos We_re all In ifs songwriter indie rock
                                      'tag_artist'  Black Rebel Motorcycle Club
                                     'tag_release'  Take Them On, on Your Own
                                       'tag_title'  We're All in Love
                                             'bpm'  134.0
                                    'search_title'  'all':4 'in':5 'love':6 're':2 'we':1 'were':3
                                   'search_artist'  'black':1 'club':4 'motorcycle':3 'rebel':2
                                  'search_release'  'on':3,4 'own':6 'take':1 'them':2 'your':5
                                     'search_rest'  '00singer':1 'all':6 'eos':3 'ifs':8 'in':7 'indie':9 're':5 'rock':10 'songwriter':2 'we':4
                                    'search_combo'  '00singer':17 'all':4A,22 'black':7B 'club':10B 'eos':19 'ifs':24 'in':5A,23 'indie':25 'love':6A 'motorcycle':9B 'on':13C,14C 'own':16C 're':2A,21 'rebel':8B 'rock':26 'songwriter':18 'take':11C 'them':12C 'we':1A,20 'were':3A 'your':15C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554897.355727  (2021-12-03 19:08:17)
                             'size'  5298817