======================== unified (from filesystem) ========================
                                         'bitrate'  '181.608'
                                        'duration'  '258'
                                          'artist'  'Plaid'
                                     'text_people'  ''
                                         'release'  'Not for Threes'
                                           'title'  'Undoneson'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'instrumental hip hop', 'idm', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '17'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '121'
                                             'key'  '12A'
                                        'acoustid'  '92666b41-3d92-4d12-bcb8-e52dfc406983'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000012D 00000140 00000520'
'COMM:iTunNORM:eng'                                 (' 0000012D 00000140 00000520 0000052E 000296D0 000296D0 00006C92 0000670F '
 '000296D0 000296D0')
'TALB' (Album/Movie/Show title)                     'Not for Threes'
'TBPM' (BPM (beats per minute))                     '121'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1998-10-26'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Undoneson'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Plaid'
'TPE2' (Band/orchestra/accompaniment)               'Plaid'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nothing Records'
'TRCK' (Track number/Position in set)               '16/17'
'TSO2'                                              'Plaid'
'TSOP' (Performer sort order)                       'Plaid'
'TXXX:Acoustid Id'                                  '92666b41-3d92-4d12-bcb8-e52dfc406983'
'TXXX:Artists'                                      'Plaid'
'TXXX:BARCODE'                                      '666489027725'
'TXXX:CATALOGNUMBER'                                'nth-90277'
'TXXX:MusicBrainz Album Artist Id'                  '7e54d133-2525-4bc0-ae94-65584145a386'
'TXXX:MusicBrainz Album Id'                         'baf0d489-e5a5-4ad9-b6a9-61e71547e546'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7e54d133-2525-4bc0-ae94-65584145a386'
'TXXX:MusicBrainz Release Group Id'                 '5e3d67d7-4c25-373f-aa1b-48c1f43b6bf6'
'TXXX:MusicBrainz Release Track Id'                 '3777ce55-728a-4d4f-b819-5acaad13b9ee'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'instrumental hip hop', 'idm', 'electronic']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.684961'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'88584325-ceb5-42db-81bd-9880736661e2')

========================== row from database ==========================
                                              'id'  1293626
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Plaid/Not For Threes/16 Undoneson.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  258
                                           'genre'  electronic
                                        'filesize'  5930928
                                           'mtime'  1636913261
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer For 16 electronic
                                      'tag_artist'  Plaid
                                     'tag_release'  Not for Threes
                                       'tag_title'  Undoneson
                                             'bpm'  121.0
                                    'search_title'  'undoneson':1
                                   'search_artist'  'plaid':1
                                  'search_release'  'for':2 'not':1 'threes':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':4 'for':3
                                    'search_combo'  '00calmer':7 '00poprockelectronic':6 'electronic':9 'for':4C,8 'not':3C 'plaid':2B 'threes':5C 'undoneson':1A
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'instrumental hip hop', 'idm', 'electronic']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913261.076039  (2021-11-14 19:07:41)
                             'size'  5930928