======================== unified (from filesystem) ========================
                                         'bitrate'  '159.17'
                                        'duration'  '496'
                                          'artist'  'Muslimgauze'
                                     'text_people'  ''
                                         'release'  'In Search of Ahmad Shah Masood'
                                           'title'  'Part 2'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['idm', 'industrial', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '4'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-m'
                                             'bpm'  '108.529'
                                             'key'  '1A'
                                        'acoustid'  'e3e7d2ba-d50a-42b8-acac-ee401d1e845e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'In Search of Ahmad Shah Masood'
'TBPM' (BPM (beats per minute))                     '108.529'
'TCON' (Content type, a.k.a. Genre)                 'loc-m'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Part 2'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Muslimgauze'
'TPE2' (Band/orchestra/accompaniment)               'Muslimgauze'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/4'
'TSO2'                                              'Muslimgauze'
'TSOP' (Performer sort order)                       'Muslimgauze'
'TXXX:Acoustid Id'                                  'e3e7d2ba-d50a-42b8-acac-ee401d1e845e'
'TXXX:CATALOGNUMBER'                                'Muslimlim 015'
'TXXX:LABEL'                                        'Staalplaat'
'TXXX:MusicBrainz Album Artist Id'                  '06fc1189-d7cd-4344-b09a-51cd82cfefe5'
'TXXX:MusicBrainz Album Id'                         '799f31b8-bf65-3baa-82a0-abe7750e4205'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '06fc1189-d7cd-4344-b09a-51cd82cfefe5'
'TXXX:MusicBrainz Track Id'                         '97ec0752-a95f-4da5-925f-dbd598d21ed2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.247594'

========================== row from database ==========================
                                              'id'  1110486
                                            'path'  /data/Music/Bulk/00localcharacter/Muslimgauze/In Search Of Ahmad Shah Masood/02 Part 2.mp3
                                         'working'  None
                                         'bitrate'  159
                                    'duration_sec'  496
                                           'genre'  loc-m
                                        'filesize'  10042763
                                           'mtime'  1620527229
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Of 02 loc
                                      'tag_artist'  Muslimgauze
                                     'tag_release'  In Search of Ahmad Shah Masood
                                       'tag_title'  Part 2
                                             'bpm'  108.529
                                    'search_title'  '2':2 'part':1
                                   'search_artist'  'muslimgauze':1
                                  'search_release'  'ahmad':4 'in':1 'masood':6 'of':3 'search':2 'shah':5
                                     'search_rest'  'loc':2 'of':1
                                    'search_combo'  '2':2A 'ahmad':7C 'in':4C 'loc':11 'masood':9C 'muslimgauze':3B 'of':6C,10 'part':1A 'search':5C 'shah':8C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['idm', 'industrial', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527229.4565618  (2021-05-09 04:27:09)
                             'size'  10042763