======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '213'
                                          'artist'  'The Abyssinians'
                                     'text_people'  ''
                                         'release'  'Best Of'
                                           'title'  'Tenayistillin'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'roots reggae', 'ska', 'dub', 'roots']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '119.829'
                                             'key'  '7A'
                                        'acoustid'  '4f49c342-e838-474b-b90f-6121e96ef5d0'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Best Of'
'TBPM' (BPM (beats per minute))                     '119.829'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Tenayistillin'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Abyssinians'
'TPE2' (Band/orchestra/accompaniment)               'The Abyssinians'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Musidisc'
'TRCK' (Track number/Position in set)               '10/10'
'TSO2'                                              'Abyssinians, The'
'TSOP' (Performer sort order)                       'Abyssinians, The'
'TXXX:ASIN'                                         'B000055YTF'
'TXXX:Acoustid Id'                                  '4f49c342-e838-474b-b90f-6121e96ef5d0'
'TXXX:MusicBrainz Album Artist Id'                  '103ae173-2204-40b8-a6a8-f1623304deed'
'TXXX:MusicBrainz Album Id'                         'b402706c-92ed-4878-82ca-7242bb36b985'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '103ae173-2204-40b8-a6a8-f1623304deed'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.284037'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'99111fb7-c42b-4887-88ea-09da8903c821')

========================== row from database ==========================
                                              'id'  1523781
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/The Abyssinians - Oldie_s/The Abyssinians - Jenayistillin.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  213
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  5131044
                                           'mtime'  1620522376
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub Oldie_s Jenayistillin loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  The Abyssinians
                                     'tag_release'  Best Of
                                       'tag_title'  Tenayistillin
                                             'bpm'  119.829
                                    'search_title'  'tenayistillin':1
                                   'search_artist'  'abyssinians':2 'the':1
                                  'search_release'  'best':1 'of':2
                                     'search_rest'  '00reggae':1 'and':13 'dancehall':11 'dub':2 'jenayistillin':5 'loc':6 'oldie':3 'or':9 'reggae':8 'roots':12 's':4 'ska':10 'style':7
                                    'search_combo'  '00reggae':6 'abyssinians':3B 'and':18 'best':4C 'dancehall':16 'dub':7 'jenayistillin':10 'loc':11 'of':5C 'oldie':8 'or':14 'reggae':13 'roots':17 's':9 'ska':15 'style':12 'tenayistillin':1A 'the':2B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'roots reggae', 'ska', 'dub', 'roots']
                                        'tag_date'  1994
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620522375.7051976  (2021-05-09 03:06:15)
                             'size'  5131044