======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '218'
                                          'artist'  'Batmobile'
                                     'text_people'  ''
                                         'release'  '1996 - Welcome To The Planet Cheese'
                                           'title'  'amazing grace'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '136.828'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '1996 - Welcome To The Planet Cheese'
'TBPM' (BPM (beats per minute))                     '136.828'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'amazing grace'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Batmobile'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.362083'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'aa48a210-39bc-4dd0-9cab-a518069724f8')

========================== row from database ==========================
                                              'id'  1333029
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Batmobile/1996 - welcome to the planet cheese/07 - amazing grace.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  218
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  5282103
                                           'mtime'  1620526228
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica welcome to the planet cheese 07 rock rockabilly or psychobilly
                                      'tag_artist'  Batmobile
                                     'tag_release'  1996 - Welcome To The Planet Cheese
                                       'tag_title'  amazing grace
                                             'bpm'  136.828
                                    'search_title'  'amazing':1 'grace':2
                                   'search_artist'  'batmobile':1
                                  'search_release'  '1996':1 'cheese':6 'planet':5 'the':4 'to':3 'welcome':2
                                     'search_rest'  '00poprockelectronic':1 'cheese':7 'musica':2 'or':10 'planet':6 'psychobilly':11 'rock':8 'rockabilly':9 'the':5 'to':4 'welcome':3
                                    'search_combo'  '00poprockelectronic':10 '1996':4C 'amazing':1A 'batmobile':3B 'cheese':9C,16 'grace':2A 'musica':11 'or':19 'planet':8C,15 'psychobilly':20 'rock':17 'rockabilly':18 'the':7C,14 'to':6C,13 'welcome':5C,12
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526227.6434455  (2021-05-09 04:10:27)
                             'size'  5282103