======================== unified (from filesystem) ========================
                                         'bitrate'  '162.68'
                                        'duration'  '241'
                                          'artist'  'The Abyssinians'
                                     'text_people'  ''
                                         'release'  'Last Days'
                                           'title'  'Swing Low'
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'roots reggae', 'ska', 'dub', 'roots']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '101.107'
                                             'key'  '7A'
                                        'acoustid'  'ba8b4f2e-41ee-4375-a211-bd04ef57f545'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Last Days'
'TBPM' (BPM (beats per minute))                     '101.107'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Swing Low'
'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)               '11/12'
'TSO2'                                              'Abyssinians, The'
'TSOP' (Performer sort order)                       'Abyssinians, The'
'TXXX:ASIN'                                         'B00000IYNG'
'TXXX:Acoustid Id'                                  'ba8b4f2e-41ee-4375-a211-bd04ef57f545'
'TXXX:Artists'                                      'The Abyssinians'
'TXXX:MusicBrainz Album Artist Id'                  '103ae173-2204-40b8-a6a8-f1623304deed'
'TXXX:MusicBrainz Album Id'                         'bc430c00-5af5-4a55-9923-d74b028ed09d'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '103ae173-2204-40b8-a6a8-f1623304deed'
'TXXX:MusicBrainz Release Group Id'                 'b35223b8-47a6-3188-8f71-76e9ff7d1701'
'TXXX:MusicBrainz Release Track Id'                 '6e3d8493-fe9d-34dd-b7d5-c7be1936f67e'
'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'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.36 dB'
'TXXX:replaygain_track_peak'                        '0.543521'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ff921560-413a-47c5-9ecd-74da88f86e44')

========================== row from database ==========================
                                              'id'  1367442
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/The Abyssinians/Last Days/11. Swing low.mp3
                                         'working'  None
                                         'bitrate'  162
                                    'duration_sec'  241
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  4965891
                                           'mtime'  1620522429
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 11. low loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  The Abyssinians
                                     'tag_release'  Last Days
                                       'tag_title'  Swing Low
                                             'bpm'  101.107
                                    'search_title'  'low':2 'swing':1
                                   'search_artist'  'abyssinians':2 'the':1
                                  'search_release'  'days':2 'last':1
                                     'search_rest'  '00reggae':1 '11':3,4 'and':13 'dancehall':11 'dub':2 'loc':6 'low':5 'or':9 'reggae':8 'roots':12 'ska':10 'style':7
                                    'search_combo'  '00reggae':7 '11':9,10 'abyssinians':4B 'and':19 'dancehall':17 'days':6C 'dub':8 'last':5C 'loc':12 'low':2A,11 'or':15 'reggae':14 'roots':18 'ska':16 'style':13 'swing':1A 'the':3B
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', '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-4', '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'  1999
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620522429.338991  (2021-05-09 03:07:09)
                             'size'  4965891