======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '189'
                                          'artist'  'The Tielmann Brothers'
                                     'text_people'  ''
                                         'release'  "Tape No102 - She's Mine, Isn't She? (Part II)"
                                           'title'  'Say You Are Mine'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '133.7'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     "Tape No102 - She's Mine, Isn't She? (Part II)"
'TBPM' (BPM (beats per minute))                     '133.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Say You Are Mine'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Tielmann Brothers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'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'                                      'NL'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+23.78 dB'
'TXXX:replaygain_track_peak'                        '0.030644'
'TXXX:tracknum'                                     '16'

========================== row from database ==========================
                                              'id'  500581
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT102/16 - The Tielmann Brothers - Say You Are Mine (196 NL).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  189
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4556800
                                           'mtime'  1620384146
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT102 16 (196 NL) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Tielmann Brothers
                                     'tag_release'  Tape No102 - She's Mine, Isn't She? (Part II)
                                       'tag_title'  Say You Are Mine
                                             'bpm'  133.7
                                    'search_title'  'are':3 'mine':4 'say':1 'you':2
                                   'search_artist'  'brothers':3 'the':1 'tielmann':2
                                  'search_release'  'ii':14,15 'isn':8 'isnt':10 'mine':6,7 'no102':2 'part':12,13 's':4 'she':3,11 'shes':5 't':9 'tape':1
                                     'search_rest'  '196':6,7 'blogspot':2 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt102':5 'nl':8,9 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '196':28,29 'are':3A 'blogspot':24 'brothers':7B 'com':25 'garage':34,36 'garagetapes':23,39 'garagetapesblogspotcom':26 'gr':33 'gt102':27 'ii':21C,22C 'isn':15C 'isnt':17C 'mine':4A,13C,14C 'nl':30,31 'no102':9C 'part':19C,20C 'pl':38 'rock':32 's':11C 'say':1A 'set':35,37 'she':10C,18C 'shes':12C 't':16C 'tape':8C 'the':5B 'tielmann':6B 'you':2A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384145.5386097  (2021-05-07 12:42:25)
                             'size'  4556800