======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '147'
                                          'artist'  'The Donnybrookes'
                                     'text_people'  ''
                                         'release'  'Tape No235 - The Girl I Once Knew (Moody Tunes - Part VII)'
                                           'title'  'Time Will Tell'
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '114.5'
                                             'key'  '9A'
                                        '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 No235 - The Girl I Once Knew (Moody Tunes - Part VII)'
'TBPM' (BPM (beats per minute))                     '114.5'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Time Will Tell'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Donnybrookes'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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'                                  ['garage rock', 'rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+25.17 dB'
'TXXX:replaygain_track_peak'                        '0.024969'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  505586
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT235/10 - The Donnybrookes - Time Will Tell (1966 US) (Golden State).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  147
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3608612
                                           'mtime'  1620385440
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT235 10 (1966 US) (Golden State) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Donnybrookes
                                     'tag_release'  Tape No235 - The Girl I Once Knew (Moody Tunes - Part VII)
                                       'tag_title'  Time Will Tell
                                             'bpm'  114.5
                                    'search_title'  'tell':3 'time':1 'will':2
                                   'search_artist'  'donnybrookes':2 'the':1
                                  'search_release'  'girl':4 'i':5 'knew':7 'moody':8,9 'no235':2 'once':6 'part':11 'tape':1 'the':3 'tunes':10 'vii':12,13
                                     'search_rest'  '1966':6,7 'blogspot':2 'com':3 'garage':16,18 'garagetapes':1,21 'garagetapesblogspotcom':4 'golden':10,11 'gr':15 'gt235':5 'pl':20 'rock':14 'set':17,19 'state':12,13 'us':8,9
                                    'search_combo'  '1966':24,25 'blogspot':20 'com':21 'donnybrookes':5B 'garage':34,36 'garagetapes':19,39 'garagetapesblogspotcom':22 'girl':9C 'golden':28,29 'gr':33 'gt235':23 'i':10C 'knew':12C 'moody':13C,14C 'no235':7C 'once':11C 'part':16C 'pl':38 'rock':32 'set':35,37 'state':30,31 'tape':6C 'tell':3A 'the':4B,8C 'time':1A 'tunes':15C 'us':26,27 'vii':17C,18C 'will':2A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9A
                                           '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-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1966
                                     'discogstags'  ['garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620385440.4522023  (2021-05-07 13:04:00)
                             'size'  3608612