======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '192'
                                          'artist'  'Abruptum'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Honores Vulturs Mutares Ex Aeris'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['noise', 'black ambient', 'black metal', 'ambient', 'dark ambient', "
 "'ambient black metal']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '140.725'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '140.725'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TIT2' (Title/songname/content description)         'Honores Vulturs Mutares Ex Aeris'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Abruptum'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['noise',
 'black ambient',
 'black metal',
 'ambient',
 'dark ambient',
 'ambient black metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.622246'

========================== row from database ==========================
                                              'id'  1359673
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Abruptum - Evil genie - 01 - Honores Vultus Mutares Ex Aeris .mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  192
                                           'genre'  eid-unsorted
                                        'filesize'  3091040
                                           'mtime'  1620521361
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Evil genie 01 Vultus eid unsorted
                                      'tag_artist'  Abruptum
                                     'tag_release'  None
                                       'tag_title'  Honores Vulturs Mutares Ex Aeris
                                             'bpm'  140.725
                                    'search_title'  'aeris':5 'ex':4 'honores':1 'mutares':3 'vulturs':2
                                   'search_artist'  'abruptum':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'eid':10 'evil':7 'files':5,6 'genie':8 'loose':3,4 'unsorted':2 'vultus':9
                                    'search_combo'  '00poprockelectronic':7 'abruptum':6B 'aeris':5A 'eid':16 'evil':13 'ex':4A 'files':11,12 'genie':14 'honores':1A 'loose':9,10 'mutares':3A 'unsorted':8 'vulturs':2A 'vultus':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['noise', 'black ambient', 'black metal', 'ambient', 'dark ambient', 'ambient black metal']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521361.23156  (2021-05-09 02:49:21)
                             'size'  3091040