======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '277'
                                          'artist'  'LL Cool J'
                                     'text_people'  'Hawk Wolinski'
                                         'release'  'Beavis And Butt-Head Do America'
                                           'title'  "Ain't Nobody"
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'rnb', 'hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '99.910'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Beavis And Butt-Head Do America'
'TBPM' (BPM (beats per minute))                     '99.910'
'TCOM' (Composer)                                   'Hawk Wolinski'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         "Ain't Nobody"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'LL Cool J'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Geffen'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rnb', 'hip hop', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.15 dB'
'TXXX:replaygain_track_peak'                        '0.602287'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N34S3005813U338437DE074229C9053D3EE1E3EB2B0E417P2')

========================== row from database ==========================
                                              'id'  1502564
                                            'path'  /data/Music/Bulk/0soundtrack/Beavis and Butthead Do America/03 Ain_t Nobody.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  277
                                           'genre'  soundtrack-video
                                        'filesize'  4441515
                                           'mtime'  1620332774
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack and Butthead 03 Ain_t soundtrack video
                                      'tag_artist'  LL Cool J
                                     'tag_release'  Beavis And Butt-Head Do America
                                       'tag_title'  Ain't Nobody
                                             'bpm'  99.91
                                    'search_title'  'ain':1 'aint':3 'nobody':4 't':2
                                   'search_artist'  'cool':2 'j':3 'll':1
                                  'search_release'  'america':7 'and':2 'beavis':1 'butt':3 'butthead':5 'do':6 'head':4
                                     'search_rest'  '0soundtrack':1 'ain':4 'and':2 'butthead':3 'soundtrack':6 't':5 'video':7
                                    'search_combo'  '0soundtrack':15 'ain':1A,18 'aint':3A 'america':14C 'and':9C,16 'beavis':8C 'butt':10C 'butthead':12C,17 'cool':6B 'do':13C 'head':11C 'j':7B 'll':5B 'nobody':4A 'soundtrack':20 't':2A,19 'video':21
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-2', '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-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rnb', 'hip hop', 'rap']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620332774.303116  (2021-05-06 22:26:14)
                             'size'  4441515