======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '172'
                                          'artist'  'Less Than Jake'
                                     'text_people'  ''
                                         'release'  'Bootleg a Bootleg, You Cut Out the Middleman'
                                           'title'  'Jen'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska punk', 'punk rock', 'ska', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '13'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '145.163'
                                             'key'  '6A'
                                        'acoustid'  'ec1c8897-d6e4-4c4b-94e7-4b999b78970e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bootleg a Bootleg, You Cut Out the Middleman'
'TBPM' (BPM (beats per minute))                     '145.163'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Jen'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Less Than Jake'
'TPE2' (Band/orchestra/accompaniment)               'Less Than Jake'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '9/13'
'TSO2'                                              'Less Than Jake'
'TSOP' (Performer sort order)                       'Less Than Jake'
'TXXX:Acoustid Id'                                  'ec1c8897-d6e4-4c4b-94e7-4b999b78970e'
'TXXX:Artists'                                      'Less Than Jake'
'TXXX:Mp3gain_minmax'                               '117,182'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:MusicBrainz Album Artist Id'                  'e54e065f-0ce6-4779-9a9a-afd7b997471f'
'TXXX:MusicBrainz Album Id'                         '79a13728-21b4-480a-91e4-3e714c74f47d'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/live'
'TXXX:MusicBrainz Artist Id'                        'e54e065f-0ce6-4779-9a9a-afd7b997471f'
'TXXX:MusicBrainz Release Group Id'                 '6383b0ad-1749-3b81-afba-b60993c2d40f'
'TXXX:MusicBrainz Release Track Id'                 '807e6d65-5c4e-397b-b93f-62d051e3d3ce'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['ska punk', 'punk rock', 'ska', 'punk', 'rock']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.537106'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b1c168d3-5624-496d-8b67-bb68f40c79f4')

========================== row from database ==========================
                                              'id'  1288292
                                            'path'  /data/Music/Bulk/00poprockelectronic/Less Than Jake/Less Than Jake - Bootleg A Bootleg You Cut Out The Middleman/09-Less_Than_Jake-Jen.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  172
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  4165543
                                           'mtime'  1621637849
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic A The 09 Less_Than_Jake rock gr punk ska
                                      'tag_artist'  Less Than Jake
                                     'tag_release'  Bootleg a Bootleg, You Cut Out the Middleman
                                       'tag_title'  Jen
                                             'bpm'  145.163
                                    'search_title'  'jen':1
                                   'search_artist'  'jake':3 'less':1 'than':2
                                  'search_release'  'a':2 'bootleg':1,3 'cut':5 'middleman':8 'out':6 'the':7 'you':4
                                     'search_rest'  '00poprockelectronic':1 'a':2 'gr':8 'jake':6 'less':4 'punk':9 'rock':7 'ska':10 'than':5 'the':3
                                    'search_combo'  '00poprockelectronic':13 'a':6C,14 'bootleg':5C,7C 'cut':9C 'gr':20 'jake':4B,18 'jen':1A 'less':2B,16 'middleman':12C 'out':10C 'punk':21 'rock':19 'ska':22 'than':3B,17 'the':11C,15 'you':8C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['ska punk', 'punk rock', 'ska', 'punk', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621637848.625551  (2021-05-22 00:57:28)
                             'size'  4165543