======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '236'
                                          'artist'  'Mandy Moore'
                                     'text_people'  ''
                                         'release'  "90's Pop Hits"
                                           'title'  'Candy'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['female vocalists', 'pop', 'soundtrack', 'female', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '100.555'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "90's Pop Hits"
'TBPM' (BPM (beats per minute))                     '100.555'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Candy'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mandy Moore'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', 'pop', 'soundtrack', 'female', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.39 dB'
'TXXX:replaygain_track_peak'                        '0.395233'

========================== row from database ==========================
                                              'id'  1326317
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/07. Mandy Moore - Candy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  236
                                           'genre'  rock-pop
                                        'filesize'  3840249
                                           'mtime'  1620389167
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 07. rock pop
                                      'tag_artist'  Mandy Moore
                                     'tag_release'  90's Pop Hits
                                       'tag_title'  Candy
                                             'bpm'  100.555
                                    'search_title'  'candy':1
                                   'search_artist'  'mandy':1 'moore':2
                                  'search_release'  '90':1 '90s':3 'hits':5 'pop':4 's':2
                                     'search_rest'  '00poprockelectronic':1 '07':3,4 '90s':2 'pop':6 'rock':5
                                    'search_combo'  '00poprockelectronic':9 '07':11,12 '90':4C '90s':6C,10 'candy':1A 'hits':8C 'mandy':2B 'moore':3B 'pop':7C,14 'rock':13 's':5C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'pop', 'soundtrack', 'female', 'rock']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389166.6965778  (2021-05-07 14:06:06)
                             'size'  3840249