======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '174'
                                          'artist'  'The Upsetters'
                                     'text_people'  ''
                                         'release'  'Blackboard Jungle Dub'
                                           'title'  'Pop Goes the Dread 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-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'ska', 'roots reggae', 'rocksteady']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '123'
                                             'key'  '9B'
                                        'acoustid'  'ff0d79b9-f2bf-4a3b-81b6-4ae9514ce919'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Byggd av Simon Summarum'
'TALB' (Album/Movie/Show title)                     'Blackboard Jungle Dub'
'TBPM' (BPM (beats per minute))                     '123'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDOR' (Original release time)                      '1980'
'TDRC' (Recording time)                             '1996-08-19'
'TIT2' (Title/songname/content description)         'Pop Goes the Dread Dub'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Upsetters'
'TPE2' (Band/orchestra/accompaniment)               'The Upsetters'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Clocktower Records'
'TRCK' (Track number/Position in set)               '6/12'
'TSO2'                                              'Upsetters, The'
'TSOP' (Performer sort order)                       'Upsetters, The'
'TXXX:ASIN'                                         'B000003LSO'
'TXXX:Acoustid Id'                                  'ff0d79b9-f2bf-4a3b-81b6-4ae9514ce919'
'TXXX:Artists'                                      'The Upsetters'
'TXXX:BARCODE'                                      '098265711526'
'TXXX:CATALOGNUMBER'                                'CTCD 0115'
'TXXX:MusicBrainz Album Artist Id'                  '7bcf8b20-72a6-48b1-bad3-b28869090dda'
'TXXX:MusicBrainz Album Id'                         'b8ec530a-2398-3528-9152-2dae7bf93678'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7bcf8b20-72a6-48b1-bad3-b28869090dda'
'TXXX:MusicBrainz Release Group Id'                 'ec6694c4-2238-31f7-9b0f-ca33a9eb3d2a'
'TXXX:MusicBrainz Release Track Id'                 '2c9ce312-2b34-3dfd-b831-a970693041c5'
'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', 'dub', 'ska', 'roots reggae', 'rocksteady']
'TXXX:originalyear'                                 '1980'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.874510'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'11dbc180-cba6-4392-af03-300b67785b30')

========================== row from database ==========================
                                              'id'  1369324
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Upsetters, the/The Upsetters - Blackboard jungle dub - 06 - pop goes the dread dub.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  174
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  4300598
                                           'mtime'  1620522592
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub Upsetters, jungle dub 06 pop goes dread dub loc style reggae or dub or ska or dancehall dub roots and reggae
                                      'tag_artist'  The Upsetters
                                     'tag_release'  Blackboard Jungle Dub
                                       'tag_title'  Pop Goes the Dread Dub
                                             'bpm'  123.0
                                    'search_title'  'dread':4 'dub':5 'goes':2 'pop':1 'the':3
                                   'search_artist'  'the':1 'upsetters':2
                                  'search_release'  'blackboard':1 'dub':3 'jungle':2
                                     'search_rest'  '00reggae':1 'and':16 'dancehall':14 'dread':8 'dub':2 'goes':7 'jungle':5 'loc':9 'or':12 'pop':6 'reggae':11 'roots':15 'ska':13 'style':10 'upsetters':3,4
                                    'search_combo'  '00reggae':11 'and':26 'blackboard':8C 'dancehall':24 'dread':4A,18 'dub':5A,10C,12 'goes':2A,17 'jungle':9C,15 'loc':19 'or':22 'pop':1A,16 'reggae':21 'roots':25 'ska':23 'style':20 'the':3A,6B 'upsetters':7B,13,14
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'ska', 'roots reggae', 'rocksteady']
                                        'tag_date'  1996
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620522592.123389  (2021-05-09 03:09:52)
                             'size'  4300598