======================== unified (from filesystem) ========================
                                         'bitrate'  '167.228'
                                        'duration'  '177'
                                          'artist'  'The Abyssinians'
                                     'text_people'  ''
                                         'release'  'Declaration of Dub'
                                           'title'  'Reasonable Dub'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'roots reggae', 'ska', 'dub', 'roots']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '14'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '132'
                                             'key'  '7A'
                                        'acoustid'  '960b4170-4d3c-4bc2-878f-6cfda5bc383c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Declaration of Dub'
'TBPM' (BPM (beats per minute))                     '132'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-01-13'
'TIT2' (Title/songname/content description)         'Reasonable Dub'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Abyssinians'
'TPE2' (Band/orchestra/accompaniment)               'The Abyssinians'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '13/14'
'TSO2'                                              'Abyssinians, The'
'TSOP' (Performer sort order)                       'Abyssinians, The'
'TSSE' (Software/Hardware and settings used for encoding)  ('Audiograbber 1.83.01, LAME dll 3.97, VBR 0 (Default method), Joint Stereo, '
 'Normal quality')
'TXXX:ASIN'                                         'B000000459'
'TXXX:Acoustid Id'                                  '960b4170-4d3c-4bc2-878f-6cfda5bc383c'
'TXXX:Artists'                                      'The Abyssinians'
'TXXX:MusicBrainz Album Artist Id'                  '103ae173-2204-40b8-a6a8-f1623304deed'
'TXXX:MusicBrainz Album Id'                         '06038b16-6c79-4232-98a5-fb346616cf30'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '103ae173-2204-40b8-a6a8-f1623304deed'
'TXXX:MusicBrainz Release Group Id'                 'c1697212-c660-3392-9969-8b9f6c400055'
'TXXX:MusicBrainz Release Track Id'                 'a7a9d923-426f-3f02-a7ea-20d910b9afec'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['reggae', 'roots reggae', 'ska', 'dub', 'roots']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.44 dB'
'TXXX:replaygain_track_peak'                        '0.897020'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'35d60631-a874-4978-9aae-0937d7228c9e')

========================== row from database ==========================
                                              'id'  1376099
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/The Abyssinians/Declaration of Dub_/13 - Reasonable Dub.mp3
                                         'working'  None
                                         'bitrate'  167
                                    'duration_sec'  177
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3716145
                                           'mtime'  1620522413
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub Dub_ 13 loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  The Abyssinians
                                     'tag_release'  Declaration of Dub
                                       'tag_title'  Reasonable Dub
                                             'bpm'  132.0
                                    'search_title'  'dub':2 'reasonable':1
                                   'search_artist'  'abyssinians':2 'the':1
                                  'search_release'  'declaration':1 'dub':3 'of':2
                                     'search_rest'  '00reggae':1 'and':11 'dancehall':9 'dub':2,3 'loc':4 'or':7 'reggae':6 'roots':10 'ska':8 'style':5
                                    'search_combo'  '00reggae':8 'abyssinians':4B 'and':18 'dancehall':16 'declaration':5C 'dub':2A,7C,9,10 'loc':11 'of':6C 'or':14 'reasonable':1A 'reggae':13 'roots':17 'ska':15 'style':12 'the':3B
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'roots reggae', 'ska', 'dub', 'roots']
                                        'tag_date'  1998
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620522412.5082712  (2021-05-09 03:06:52)
                             'size'  3716145