======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '271'
                                          'artist'  'The Guess Who'
                                     'text_people'  ''
                                         'release'  'Tape No212 - Sunshine Of Your Love (Covering Cream Sounds, Part I)'
                                           'title'  'White Room'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', '60s', 'canadian', '70s', 'rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '108.9'
                                             'key'  '8A'
                                        '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 No212 - Sunshine Of Your Love (Covering Cream Sounds, Part I)'
'TBPM' (BPM (beats per minute))                     '108.9'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'White Room'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Guess Who'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'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'                                      'CA'
'TXXX:lastfmtags'                                   ['oldies', '60s', 'canadian', '70s', 'rock', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+23.57 dB'
'TXXX:replaygain_track_peak'                        '0.025731'
'TXXX:tracknum'                                     '15'

========================== row from database ==========================
                                              'id'  505550
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT212/15 - The Guess Who - White Room (196 CA).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  271
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  6589231
                                           'mtime'  1620385315
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT212 15 (196 CA) rock gr garage;set pl garagetapes
                                      'tag_artist'  The Guess Who
                                     'tag_release'  Tape No212 - Sunshine Of Your Love (Covering Cream Sounds, Part I)
                                       'tag_title'  White Room
                                             'bpm'  108.9
                                    'search_title'  'room':2 'white':1
                                   'search_artist'  'guess':2 'the':1 'who':3
                                  'search_release'  'covering':7,8 'cream':9 'i':13,14 'love':6 'no212':2 'of':4 'part':12 'sounds':10,11 'sunshine':3 'tape':1 'your':5
                                     'search_rest'  '196':6,7 'blogspot':2 'ca':8,9 'com':3 'garage':12,14 'garagetapes':1,17 'garagetapesblogspotcom':4 'gr':11 'gt212':5 'pl':16 'rock':10 'set':13,15
                                    'search_combo'  '196':25,26 'blogspot':21 'ca':27,28 'com':22 'covering':12C,13C 'cream':14C 'garage':31,33 'garagetapes':20,36 'garagetapesblogspotcom':23 'gr':30 'gt212':24 'guess':4B 'i':18C,19C 'love':11C 'no212':7C 'of':9C 'part':17C 'pl':35 'rock':29 'room':2A 'set':32,34 'sounds':15C,16C 'sunshine':8C 'tape':6C 'the':3B 'white':1A 'who':5B 'your':10C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  8A
                                           '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['oldies', '60s', 'canadian', '70s', 'rock', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385315.3670807  (2021-05-07 13:01:55)
                             'size'  6589231