======================== unified (from filesystem) ========================
                                         'bitrate'  '199.37'
                                        'duration'  '570'
                                          'artist'  'Muslimgauze'
                                     'text_people'  ''
                                         'release'  'United States of Islam'
                                           'title'  'United States of Islam, Part 2'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['idm', 'industrial', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '6'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '129.481'
                                             'key'  '6A'
                                        'acoustid'  '0dc08c8d-b89a-4d4b-8c40-d3346d86ca2e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '5A - 6'
'COMM:ID3v1 Comment:XXX'                            '5A - 6'
'TALB' (Album/Movie/Show title)                     'United States of Islam'
'TBPM' (BPM (beats per minute))                     '129.481'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '1991-06'
'TIT2' (Title/songname/content description)         'United States of Islam, Part 2'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Muslimgauze'
'TPE2' (Band/orchestra/accompaniment)               'Muslimgauze'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/6'
'TSO2'                                              'Muslimgauze'
'TSOP' (Performer sort order)                       'Muslimgauze'
'TXXX:ASIN'                                         'B00000J74Z'
'TXXX:Acoustid Id'                                  '0dc08c8d-b89a-4d4b-8c40-d3346d86ca2e'
'TXXX:BARCODE'                                      '4015790000723'
'TXXX:CATALOGNUMBER'                                'XCD 007'
'TXXX:LABEL'                                        'Extreme'
'TXXX:MEDIA'                                        'CD'
'TXXX:MIXER'                                        'Mike C.'
'TXXX:MusicBrainz Album Artist Id'                  '06fc1189-d7cd-4344-b09a-51cd82cfefe5'
'TXXX:MusicBrainz Album Id'                         '7866ea82-45f0-4b48-85ab-9f9fa87d63b1'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '06fc1189-d7cd-4344-b09a-51cd82cfefe5'
'TXXX:MusicBrainz Track Id'                         '4fe5dc73-34e9-42ad-a00d-783f2215607a'
'TXXX:PRODUCER'                                     'Roger Richards'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.23 dB'
'TXXX:replaygain_track_peak'                        '0.834554'
'TXXX:tempo'                                        '00066 BPM'

========================== row from database ==========================
                                              'id'  1110369
                                            'path'  /data/Music/Bulk/00localcharacter/Muslimgauze/United States Of Islam/06 United States Of Islam (Pt 2).mp3
                                         'working'  None
                                         'bitrate'  199
                                    'duration_sec'  570
                                           'genre'  loc-m
                                        'filesize'  14320120
                                           'mtime'  1620527519
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Of 06 Of (Pt 2) loc
                                      'tag_artist'  Muslimgauze
                                     'tag_release'  United States of Islam
                                       'tag_title'  United States of Islam, Part 2
                                             'bpm'  129.481
                                    'search_title'  '2':7 'islam':4,5 'of':3 'part':6 'states':2 'united':1
                                   'search_artist'  'muslimgauze':1
                                  'search_release'  'islam':4 'of':3 'states':2 'united':1
                                     'search_rest'  '2':4,5 'loc':6 'of':1 'pt':2,3
                                    'search_combo'  '2':7A,16,17 'islam':4A,5A,12C 'loc':18 'muslimgauze':8B 'of':3A,11C,13 'part':6A 'pt':14,15 'states':2A,10C 'united':1A,9C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527519.1288571  (2021-05-09 04:31:59)
                             'size'  14320120