======================== unified (from filesystem) ========================
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                                        'duration'  '194'
                                          'artist'  'Blonde Redhead'
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                                      'lastfmtags'  "['indie', 'alternative', 'female vocalists', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
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                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '109.586'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'In an Expression of the Inexpr'
'TBPM' (BPM (beats per minute))                     '109.586'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Suimasen'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blonde Redhead'
'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:lastfmtags'                                   ['indie', 'alternative', 'female vocalists', 'indie rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.422567'

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Blonde Redhead/In An Expression of the Inexpressible/Blonde Redhead - In an Expression of the Inexpressible - 08 - Suimasen.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4662240
                                           'mtime'  1637330292
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock An Inexpressible Inexpressible 08 ifs songwriter indie rock
                                      'tag_artist'  Blonde Redhead
                                     'tag_release'  In an Expression of the Inexpr
                                       'tag_title'  Suimasen
                                             'bpm'  109.586
                                    'search_title'  'suimasen':1
                                   'search_artist'  'blonde':1 'redhead':2
                                  'search_release'  'an':2 'expression':3 'in':1 'inexpr':6 'of':4 'the':5
                                     'search_rest'  '00poprockelectronic':1 'an':4 'ifs':6 'indie':8 'indierock':3 'inexpressible':5 'poprock':2 'rock':9 'songwriter':7
                                    'search_combo'  '00poprockelectronic':10 'an':5C,13 'blonde':2B 'expression':6C 'ifs':15 'in':4C 'indie':17 'indierock':12 'inexpr':9C 'inexpressible':14 'of':7C 'poprock':11 'redhead':3B 'rock':18 'songwriter':16 'suimasen':1A 'the':8C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['indie', 'alternative', 'female vocalists', 'indie rock', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330292.2125707  (2021-11-19 14:58:12)
                             'size'  4662240