======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '136'
                                          'artist'  'The Sangralads'
                                     'text_people'  ''
                                         'release'  "Tape No280 - Lookout World (Cy's Been Drinking Cider)"
                                           'title'  "May's Kidd"
                                           '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']")
                                     'discogstags'  "['beat', 'garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '143.7'
                                             '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 No280 - Lookout World (Cy's Been Drinking Cider)"
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         "May's Kidd"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Sangralads'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'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'                                  ['beat', '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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+24.36 dB'
'TXXX:replaygain_track_peak'                        '0.021694'
'TXXX:tracknum'                                     '16'

========================== row from database ==========================
                                              'id'  1517304
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT280/16 - The Sangralads - May_s Kidd (196 US) (Whap).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  136
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3371181
                                           'mtime'  1620385584
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT280 16 May_s (196 US) (Whap) rock garage;set pl garagetapes
                                      'tag_artist'  The Sangralads
                                     'tag_release'  Tape No280 - Lookout World (Cy's Been Drinking Cider)
                                       'tag_title'  May's Kidd
                                             'bpm'  143.7
                                    'search_title'  'kidd':4 'may':1 'mays':3 's':2
                                   'search_artist'  'sangralads':2 'the':1
                                  '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'  '196':8,9 'blogspot':2 'com':3 'garage':15,17 'garagetapes':1,20 'garagetapesblogspotcom':4 'gt280':5 'may':6 'pl':19 'rock':14 's':7 'set':16,18 'us':10,11 'whap':12,13
                                    'search_combo'  '196':25,26 'been':14C 'blogspot':19 'cider':16C,17C 'com':20 'cy':11C 'cys':13C 'drinking':15C 'garage':32,34 'garagetapes':18,37 'garagetapesblogspotcom':21 'gt280':22 'kidd':4A 'lookout':9C 'may':1A,23 'mays':3A 'no280':8C 'pl':36 'rock':31 's':2A,12C,24 'sangralads':6B 'set':33,35 'tape':7C 'the':5B 'us':27,28 'whap':29,30 'world':10C
                                    'tag_tracknum'  16
                                      '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-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  ['beat', 'garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620385583.9849346  (2021-05-07 13:06:23)
                             'size'  3371181