======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '196'
                                          'artist'  'Los Tops'
                                     'text_people'  ''
                                         'release'  'Tape No223 - Venus'
                                           'title'  'Venus'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['beat', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '123.1'
                                             '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 No223 - Venus'
'TBPM' (BPM (beats per minute))                     '123.1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Venus'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Tops'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '21'
'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'                                      'ES'
'TXXX:discogstags'                                  ['beat', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+24.84 dB'
'TXXX:replaygain_track_peak'                        '0.027103'
'TXXX:tracknum'                                     '21'

========================== row from database ==========================
                                              'id'  501517
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT223/21 - Los Tops - Venus (1970 ES).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  196
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  4767849
                                           'mtime'  1620385380
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT223 21 (1970 ES) rock gr garage;set pl garagetapes
                                      'tag_artist'  Los Tops
                                     'tag_release'  Tape No223 - Venus
                                       'tag_title'  Venus
                                             'bpm'  123.1
                                    'search_title'  'venus':1
                                   'search_artist'  'los':1 'tops':2
                                  'search_release'  'no223':2 'tape':1 'venus':3
                                     'search_rest'  '1970':7,8 '21':6 'blogspot':2 'com':3 'es':9,10 'garage':13,15 'garagetapes':1,18 'garagetapesblogspotcom':4 'gr':12 'gt223':5 'pl':17 'rock':11 'set':14,16
                                    'search_combo'  '1970':13,14 '21':12 'blogspot':8 'com':9 'es':15,16 'garage':19,21 'garagetapes':7,24 'garagetapesblogspotcom':10 'gr':18 'gt223':11 'los':2B 'no223':5C 'pl':23 'rock':17 'set':20,22 'tape':4C 'tops':3B 'venus':1A,6C
                                    'tag_tracknum'  21
                                      '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  ['beat', 'pop', 'rock']

============================== file details ==============================
                                           'mtime'  1620385380.3853748  (2021-05-07 13:03:00)
                             'size'  4767849