======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'Leftfield'
                                     'text_people'  ''
                                         'release'  'The Ultimate Gangster Movie Soundtrack'
                                           'title'  'Shallow Grave'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'dance', 'techno', 'electronic', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '20'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '139.851'
                                             'key'  '8B'
                                        'acoustid'  'd043a860-40b5-4ff8-8e12-e45c626cfd06'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Ultimate Gangster Movie Soundtrack'
'TBPM' (BPM (beats per minute))                     '139.851'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-11-16'
'TIT2' (Title/songname/content description)         'Shallow Grave'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Leftfield'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Telstar TV'
'TRCK' (Track number/Position in set)               '6/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Leftfield'
'TXXX:ASIN'                                         'B00007DPND'
'TXXX:Acoustid Id'                                  'd043a860-40b5-4ff8-8e12-e45c626cfd06'
'TXXX:Artists'                                      'Leftfield'
'TXXX:CATALOGNUMBER'                                'TTVCD3306'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'bdf34a18-3a8b-39f8-b9b5-0b651562ab7d'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '369fbad4-6fa4-4dae-9842-a69826cd359d'
'TXXX:MusicBrainz Release Group Id'                 '7e681621-ff1c-3f8a-945a-111f3dd67b6f'
'TXXX:MusicBrainz Release Track Id'                 '4f86df11-dfb2-3894-a8c2-ddcd65cd4da2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'chillout']
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.613858'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ba7a7315-7658-4f97-93f4-90f24c2d2de7')

========================== row from database ==========================
                                              'id'  131847
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Leftfield/MBZ;#Leftfield;#Movie Killers;#19;#Shallow Grave.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  electronic-th-techno
                                        'filesize'  6357425
                                           'mtime'  1620539732
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm MBZ;#Leftfield;#Movie Killers;#19;#Shallow electronic th techno
                                      'tag_artist'  Leftfield
                                     'tag_release'  The Ultimate Gangster Movie Soundtrack
                                       'tag_title'  Shallow Grave
                                             'bpm'  139.851
                                    'search_title'  'grave':2 'shallow':1
                                   'search_artist'  'leftfield':1
                                  'search_release'  'gangster':3 'movie':4 'soundtrack':5 'the':1 'ultimate':2
                                     'search_rest'  '19':8,11 'electronic':13 'killers':7,10 'leftfield':2,5 'mbz':1,4 'movie':3,6 'shallow':9,12 'techno':15 'th':14
                                    'search_combo'  '19':16,19 'electronic':21 'gangster':6C 'grave':2A 'killers':15,18 'leftfield':3B,10,13 'mbz':9,12 'movie':7C,11,14 'shallow':1A,17,20 'soundtrack':8C 'techno':23 'th':22 'the':4C 'ultimate':5C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8B
                                           '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-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'dance', 'techno', 'electronic', 'chillout']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620539732.4439535  (2021-05-09 07:55:32)
                             'size'  6357425