======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '203'
                                          'artist'  'Dead End Kids'
                                     'text_people'  ''
                                         'release'  'Tape No171 - Land Of 1000 Dances'
                                           'title'  'Land of a Thousand Dances'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['glam rock', 'power pop', '70s rock', 'stranglers cover', 'punk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '135.7'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tape No171 - Land Of 1000 Dances'
'TBPM' (BPM (beats per minute))                     '135.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Land of a Thousand Dances'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dead End Kids'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:country'                                      'US'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['glam rock', 'power pop', '70s rock', 'stranglers cover', 'punk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.269747'
'TXXX:tracknum'                                     '03'

========================== row from database ==========================
                                              'id'  501438
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT171/03 - Dead End Kids - Land of a Thousand Dances (196 US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  203
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4990775
                                           'mtime'  1620384949
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT171 03 (196 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  Dead End Kids
                                     'tag_release'  Tape No171 - Land Of 1000 Dances
                                       'tag_title'  Land of a Thousand Dances
                                             'bpm'  135.7
                                    'search_title'  'a':3 'dances':5 'land':1 'of':2 'thousand':4
                                   'search_artist'  'dead':1 'end':2 'kids':3
                                  'search_release'  '1000':5 'dances':6 'land':3 'no171':2 'of':4 'tape':1
                                     'search_rest'  '196':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt171':5 'pl':16 'rock':10 'set':13,15 'us':8,9
                                    'search_combo'  '1000':13C '196':20,21 'a':3A 'blogspot':16 'com':17 'dances':5A,14C 'dead':6B 'end':7B 'garage':26,28 'garagetapes':15,31 'garagetapesblogspotcom':18 'gr':25 'gt171':19 'kids':8B 'land':1A,11C 'no171':10C 'of':2A,12C 'pl':30 'rock':24 'set':27,29 'tape':9C 'thousand':4A 'us':22,23
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['glam rock', 'power pop', '70s rock', 'stranglers cover', 'punk']
                                        'tag_date'  1965
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620384949.0195048  (2021-05-07 12:55:49)
                             'size'  4990775