======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '136'
                                          'artist'  'The Fringe'
                                     'text_people'  ''
                                         'release'  'Tape No075 - The Surrealist Waltz'
                                           'title'  'Plastic People'
                                           '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-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'all', 'jazz', 'progressive metal', 'alternative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '108.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'http://garagetapes.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Tape No075 - The Surrealist Waltz'
'TBPM' (BPM (beats per minute))                     '108.3'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'Plastic People'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Fringe'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'TXXX:COUNTRY'                                      'CA'
'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:lastfmtags'                                   ['progressive rock', 'all', 'jazz', 'progressive metal', 'alternative']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+23.70 dB'
'TXXX:replaygain_track_peak'                        '0.019890'
'TXXX:tracknum'                                     '10'

========================== row from database ==========================
                                              'id'  501631
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT075/10 - The Fringe - Plastic People (1968 CA).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  136
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  3463764
                                           'mtime'  1620383491
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT075 10 (1968 CA) rock gr garage;set garagetapes
                                      'tag_artist'  The Fringe
                                     'tag_release'  Tape No075 - The Surrealist Waltz
                                       'tag_title'  Plastic People
                                             'bpm'  108.3
                                    'search_title'  'people':2 'plastic':1
                                   'search_artist'  'fringe':2 'the':1
                                  'search_release'  'no075':2 'surrealist':4 'tape':1 'the':3 'waltz':5
                                     'search_rest'  '1968':6,7 'blogspot':2 'ca':8,9 'com':3 'garage':12,14 'garagetapes':1,16 'garagetapesblogspotcom':4 'gr':11 'gt075':5 'rock':10 'set':13,15
                                    'search_combo'  '1968':15,16 'blogspot':11 'ca':17,18 'com':12 'fringe':4B 'garage':21,23 'garagetapes':10,25 'garagetapesblogspotcom':13 'gr':20 'gt075':14 'no075':6C 'people':2A 'plastic':1A 'rock':19 'set':22,24 'surrealist':8C 'tape':5C 'the':3B,7C 'waltz':9C
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  12B
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'all', 'jazz', 'progressive metal', 'alternative']
                                        'tag_date'  1968
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620383491.07097  (2021-05-07 12:31:31)
                             'size'  3463764