======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '211'
                                          'artist'  'Scone'
                                     'text_people'  ''
                                         'release'  'Maze'
                                           'title'  'Do'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['glitch', 'idm', 'electronic', 'minimal', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '106.6'
                                             'key'  '6A'
                                        'acoustid'  'd9df2a0c-9def-423c-8648-3af56d34cd82'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Maze'
'TBPM' (BPM (beats per minute))                     '106.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-12-06'
'TIT2' (Title/songname/content description)         'Do'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Scone'
'TPE2' (Band/orchestra/accompaniment)               'Scone'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Moamoo'
'TRCK' (Track number/Position in set)               '4/13'
'TSO2'                                              'Scone'
'TSOP' (Performer sort order)                       'Scone'
'TXXX:Acoustid Id'                                  'd9df2a0c-9def-423c-8648-3af56d34cd82'
'TXXX:Artists'                                      'Scone'
'TXXX:CATALOGNUMBER'                                'ARTMOA-004'
'TXXX:MusicBrainz Album Artist Id'                  '881b7796-bf64-4b5f-aaf4-c9ddb9eb0339'
'TXXX:MusicBrainz Album Id'                         '1f00c036-4318-4e40-bea6-55cd3898ce42'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '881b7796-bf64-4b5f-aaf4-c9ddb9eb0339'
'TXXX:MusicBrainz Release Group Id'                 '1c4a4fcd-d304-3fc9-9bcd-fb81b5b53b49'
'TXXX:MusicBrainz Release Track Id'                 '5e84ade2-1927-36ae-b40a-a26601e9cb79'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['glitch', 'idm', 'electronic', 'minimal', 'ambient']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.50 dB'
'TXXX:replaygain_track_peak'                        '1.090040'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'eee250b5-7f84-42ef-8191-5b6ef4403da3')

========================== row from database ==========================
                                              'id'  1332508
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Scone/Maze/04 do.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  211
                                           'genre'  electronic
                                        'filesize'  5089576
                                           'mtime'  1636913350
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 04 do electronic
                                      'tag_artist'  Scone
                                     'tag_release'  Maze
                                       'tag_title'  Do
                                             'bpm'  106.6
                                    'search_title'  'do':1
                                   'search_artist'  'scone':1
                                  'search_release'  'maze':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'do':3 'electronic':4
                                    'search_combo'  '00calmer':5 '00poprockelectronic':4 'do':1A,6 'electronic':7 'maze':3C 'scone':2B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', '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-2', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'idm', 'electronic', 'minimal', 'ambient']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913349.7981925  (2021-11-14 19:09:09)
                             'size'  5089576