======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '86'
                                          'artist'  'Sesame Street'
                                     'text_people'  ''
                                         'release'  "C is for Cookie:  Cookie's Favorite Songs"
                                           'title'  'C is for Cookie'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['comedy', 'childrens music', 'kids', 'children', 'brutal death metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'entertaining-tv'
                                             'bpm'  '121.6'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         '1990s'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     "C is for Cookie:  Cookie's Favorite Songs"
'TBPM' (BPM (beats per minute))                     '121.6'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-tv'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995-09-19'
'TIT2' (Title/songname/content description)         'C is for Cookie'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sesame Street'
'TPE2' (Band/orchestra/accompaniment)               'Sesame Street'
'TRCK' (Track number/Position in set)               '1'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '066,186'
'TXXX:MusicBrainz Album Artist Id'                  'd68700b6-aae7-478a-b75b-5ea8c6851cd4'
'TXXX:MusicBrainz Album Id'                         'a993ba9a-333a-40d5-ac6c-e584cd148f81'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'd68700b6-aae7-478a-b75b-5ea8c6851cd4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['comedy', 'childrens music', 'kids', 'children', 'brutal death metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.529683'

========================== row from database ==========================
                                              'id'  1520086
                                            'path'  /data/Music/Bulk/00spent/Sesame Street/Sesame Street__MBZ;#Sesame Street;#C is for Cookie Cookie_s Favorite Songs;#01;#C is for Cookie.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  86
                                           'genre'  entertaining-tv
                                        'filesize'  1395003
                                           'mtime'  1636913910
                                   'redo_metaread'  0
                                        'rest_str'   00spent Street__MBZ;#Sesame Street;#C Cookie_s Songs;#01;#C entertaining tv
                                      'tag_artist'  Sesame Street
                                     'tag_release'  C is for Cookie:  Cookie's Favorite Songs
                                       'tag_title'  C is for Cookie
                                             'bpm'  121.6
                                    'search_title'  'c':1 'cookie':4 'for':3 'is':2
                                   'search_artist'  'sesame':1 'street':2
                                  'search_release'  'c':1 'cookie':4,5,6 'cookies':8 'favorite':9 'for':3 'is':2 's':7 'songs':10
                                     'search_rest'  '00spent':1 '01':15,18 'c':9,11,16,19 'cookie':12 'entertaining':20 'mbz':3,6 's':13 'sesame':4,7 'songs':14,17 'street':2,5,8,10 'tv':21
                                    'search_combo'  '00spent':17 '01':31,34 'c':1A,7C,25,27,32,35 'cookie':4A,10C,11C,12C,28 'cookies':14C 'entertaining':36 'favorite':15C 'for':3A,9C 'is':2A,8C 'mbz':19,22 's':13C,29 'sesame':5B,20,23 'songs':16C,30,33 'street':6B,18,21,24,26 'tv':37
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'childrens music', 'kids', 'children', 'brutal death metal']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913910.0950744  (2021-11-14 19:18:30)
                             'size'  1395003