======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '171'
                                          'artist'  'Deicide'
                                     'text_people'  ''
                                         'release'  'Serpents Of The Light'
                                           'title'  "This Is Hell We're In"
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '105'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Serpents Of The Light'
'TBPM' (BPM (beats per minute))                     '105'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         "This Is Hell We're In"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deicide'
'TPE2' (Band/orchestra/accompaniment)               'Deicide'
'TPUB' (Publisher)                                  'Roadrunner'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['death metal', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.18 dB'
'TXXX:replaygain_track_peak'                        '0.319813'

========================== row from database ==========================
                                              'id'  1507804
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Deicide/Serpents Of The Light/Deicide-This Is Hell We_re In.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  171
                                           'genre'  eid-metal-death
                                        'filesize'  6853049
                                           'mtime'  1620301923
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal We_re eid metal death
                                      'tag_artist'  Deicide
                                     'tag_release'  Serpents Of The Light
                                       'tag_title'  This Is Hell We're In
                                             'bpm'  105.0
                                    'search_title'  'hell':3 'in':7 'is':2 're':5 'this':1 'we':4 'were':6
                                   'search_artist'  'deicide':1
                                  'search_release'  'light':4 'of':2 'serpents':1 'the':3
                                     'search_rest'  '00dwimp':1 '00metal':2 'death':7 'eid':5 'metal':6 're':4 'we':3
                                    'search_combo'  '00dwimp':13 '00metal':14 'death':19 'deicide':8B 'eid':17 'hell':3A 'in':7A 'is':2A 'light':12C 'metal':18 'of':10C 're':5A,16 'serpents':9C 'the':11C 'this':1A 'we':4A,15 'were':6A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  []
                                        'tag_date'  1998
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301922.5012758  (2021-05-06 13:52:02)
                             'size'  6853049