======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '169'
                                          'artist'  'The Villagers'
                                     'text_people'  ''
                                         'release'  "Tape No280 - Lookout World (Cy's Been Drinking Cider)"
                                           'title'  'Headless Nightmare'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'all', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '145.2'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.gr/'
'TALB' (Album/Movie/Show title)                     "Tape No280 - Lookout World (Cy's Been Drinking Cider)"
'TBPM' (BPM (beats per minute))                     '145.2'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'Headless Nightmare'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Villagers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'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:lastfmtags'                                   ['garage rock', 'all', '60s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+24.09 dB'
'TXXX:replaygain_track_peak'                        '0.019545'
'TXXX:tracknum'                                     '04'

========================== row from database ==========================
                                              'id'  501965
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT280/04 - The Villagers - Headless Nightmare (1964 US) (Peta).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  169
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4179305
                                           'mtime'  1620385578
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT280 04 (1964 US) (Peta) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Villagers
                                     'tag_release'  Tape No280 - Lookout World (Cy's Been Drinking Cider)
                                       'tag_title'  Headless Nightmare
                                             'bpm'  145.2
                                    'search_title'  'headless':1 'nightmare':2
                                   'search_artist'  'the':1 'villagers':2
                                  'search_release'  'been':8 'cider':10,11 'cy':5 'cys':7 'drinking':9 'lookout':3 'no280':2 's':6 'tape':1 'world':4
                                     'search_rest'  '1964':6,7 'blogspot':2 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt280':5 'peta':10,11 'pl':18 'rock':12 'set':15,17 'us':8,9
                                    'search_combo'  '1964':21,22 'been':12C 'blogspot':17 'cider':14C,15C 'com':18 'cy':9C 'cys':11C 'drinking':13C 'garage':29,31 'garagetapes':16,34 'garagetapesblogspotcom':19 'gr':28 'gt280':20 'headless':1A 'lookout':7C 'nightmare':2A 'no280':6C 'peta':25,26 'pl':33 'rock':27 's':10C 'set':30,32 'tape':5C 'the':3B 'us':23,24 'villagers':4B 'world':8C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  11A
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'all', '60s']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385578.4093153  (2021-05-07 13:06:18)
                             'size'  4179305