======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '135'
                                          'artist'  'Connie Little'
                                     'text_people'  ''
                                         'release'  'Grumpy 100712'
                                           'title'  'Billy'
                                           'quals'  ("['Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rock and roll']"
                                     'discogstags'  "['rock & roll', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  'http://www.goldhunt.fsnet.co.uk/Grumpy/'
                                           'genre'  'set-th-novelty'
                                             'bpm'  '93.8'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:SL Comment:eng'                               'http://grumpyarchiveblog.blogspot.com/'
'TALB' (Album/Movie/Show title)                     'Grumpy 100712'
'TBPM' (BPM (beats per minute))                     '93.8'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Billy'
'TIT3' (Subtitle/Description refinement)            'http://www.goldhunt.fsnet.co.uk/Grumpy/'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Connie Little'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock & roll', 'rock']
'TXXX:lastfmtags'                                   'rock and roll'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.32 dB'
'TXXX:replaygain_track_peak'                        '0.604103'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.goldhunt.fsnet.co.uk/Grumpy/')

========================== row from database ==========================
                                              'id'  1533877
                                            'path'  /data/Music/Bulk/00spent/More Grumpy_s (027)/Connie Little - Billy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  135
                                           'genre'  set-th-novelty
                                        'filesize'  2186288
                                           'mtime'  1620343432
                                   'redo_metaread'  0
                                        'rest_str'   00spent More Grumpy_s (027) set th novelty
                                      'tag_artist'  Connie Little
                                     'tag_release'  Grumpy 100712
                                       'tag_title'  Billy
                                             'bpm'  93.8
                                    'search_title'  'billy':1
                                   'search_artist'  'connie':1 'little':2
                                  'search_release'  '100712':2 'grumpy':1
                                     'search_rest'  '00spent':1 '027':5,6 'grumpy':3 'more':2 'novelty':9 's':4 'set':7 'th':8
                                    'search_combo'  '00spent':6 '027':10,11 '100712':5C 'billy':1A 'connie':2B 'grumpy':4C,8 'little':3B 'more':7 'novelty':14 's':9 'set':12 'th':13
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll']
                                        'tag_date'  2010
                                     'discogstags'  ['rock & roll', 'rock']

============================== file details ==============================
                                           'mtime'  1620343431.513244  (2021-05-07 01:23:51)
                             'size'  2186288