======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '140'
                                          'artist'  'Raymond Harper & The Carib Beats'
                                     'text_people'  ''
                                         'release'  'King Size Ska'
                                           'title'  'J.J. Special'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['test', 'ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '25'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '102.592'
                                             'key'  '6B'
                                        'acoustid'  '13d09b57-e540-482d-bf9d-10f3d3b7382d'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'King Size Ska'
'TBPM' (BPM (beats per minute))                     '102.592'
'TCMP'                                              '1'
'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)                             '1998-07-28'
'TENC' (Encoded by)                                 'SoundJam v2.5.3'
'TIT2' (Title/songname/content description)         'J.J. Special'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Raymond Harper & The Carib Beats'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Trojan Records'
'TRCK' (Track number/Position in set)               '20/25'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Harper, Raymond & Carib Beats, The'
'TXXX:Acoustid Id'                                  '13d09b57-e540-482d-bf9d-10f3d3b7382d'
'TXXX:Artists'                                      'Raymond Harper/The Carib Beats'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '67a0fc29-71f8-4593-afd7-1bda44dfd9a2'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '3e5509ad-ea6f-4dda-abca-292b1f85256a/b76e3c23-c5a5-4000-bd20-6946562563fc'
'TXXX:MusicBrainz Release Group Id'                 '949e7d73-8504-304a-8a1f-107b4a85cf17'
'TXXX:MusicBrainz Release Track Id'                 '910ad5f8-732c-3dcd-b0e2-df2252166bca'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['test', 'ska']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+6.48 dB'
'TXXX:replaygain_track_peak'                        '0.193692'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b73cfbb7-6c6e-4acd-b545-6b861bc17f6a')

========================== row from database ==========================
                                              'id'  727314
                                            'path'  /data/Music/Bulk/00localcharacter/King Size Ska/20 - The Carib Beats - J J Special.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  140
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3377682
                                           'mtime'  1620523359
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 20 loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  Raymond Harper & The Carib Beats
                                     'tag_release'  King Size Ska
                                       'tag_title'  J.J. Special
                                             'bpm'  102.592
                                    'search_title'  'j':1,2 'jj':3 'special':4
                                   'search_artist'  'beats':5 'carib':4 'harper':2 'raymond':1 'the':3
                                  'search_release'  'king':1 'size':2 'ska':3
                                     'search_rest'  '20':1 'and':10 'dancehall':8 'dub':6 'loc':2 'or':5 'reggae':4 'roots':9 'ska':7 'style':3
                                    'search_combo'  '20':13 'and':22 'beats':9B 'carib':8B 'dancehall':20 'dub':18 'harper':6B 'j':1A,2A 'jj':3A 'king':10C 'loc':14 'or':17 'raymond':5B 'reggae':16 'roots':21 'size':11C 'ska':12C,19 'special':4A 'style':15 'the':7B
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['test', 'ska']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620523359.2575867  (2021-05-09 03:22:39)
                             'size'  3377682