======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '214'
                                          'artist'  'Lili Ivanova'
                                     'text_people'  ''
                                         'release'  'Tape No139 - Bang Bang'
                                           'title'  'Benk-Benk'
                                           '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']")
                                      'lastfmtags'  "['bulgarian', 'female vocalists', 'estrada', 'pop', 'big bang observer']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes;set-cover or covered'
                                             'bpm'  '143.7'
                                             '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 No139 - Bang Bang'
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes', 'set-cover or covered']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Benk-Benk'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lili Ivanova'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '05'
'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'                                      'BG'
'TXXX:lastfmtags'                                   ['bulgarian', 'female vocalists', 'estrada', 'pop', 'big bang observer']
'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'                        '+24.56 dB'
'TXXX:replaygain_track_peak'                        '0.036712'
'TXXX:tracknum'                                     '05'

========================== row from database ==========================
                                              'id'  503549
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT139/05 - Lili Ivanova - Benk-Benk (1967 BG).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  214
                                           'genre'  rock-gr-garage;set-pl-garagetapes;set-cover or covered
                                        'filesize'  5254716
                                           'mtime'  1620384673
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT139 05 (1967 BG) rock gr garage;set pl garagetapes;set cover or covered
                                      'tag_artist'  Lili Ivanova
                                     'tag_release'  Tape No139 - Bang Bang
                                       'tag_title'  Benk-Benk
                                             'bpm'  143.7
                                    'search_title'  'benk':1,2 'benkbenk':3
                                   'search_artist'  'ivanova':2 'lili':1
                                  'search_release'  'bang':3 'no139':2 'tape':1
                                     'search_rest'  '1967':6,7 'bg':8,9 'blogspot':2 'com':3 'cover':21 'covered':23 'garage':12,14 'garagetapes':1,17,19 'garagetapesblogspotcom':4 'gr':11 'gt139':5 'or':22 'pl':16 'rock':10 'set':13,15,18,20
                                    'search_combo'  '1967':14,15 'bang':8C 'benk':1A,2A 'benkbenk':3A 'bg':16,17 'blogspot':10 'com':11 'cover':29 'covered':31 'garage':20,22 'garagetapes':9,25,27 'garagetapesblogspotcom':12 'gr':19 'gt139':13 'ivanova':5B 'lili':4B 'no139':7C 'or':30 'pl':24 'rock':18 'set':21,23,26,28 'tape':6C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           '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'  ['bulgarian', 'female vocalists', 'estrada', 'pop', 'big bang observer']
                                        'tag_date'  1967
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384673.0171661  (2021-05-07 12:51:13)
                             'size'  5254716