======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '260'
                                          'artist'  'Tales Of The Frightened'
                                     'text_people'  ''
                                         'release'  '12/20/57'
                                           'title'  'The White House'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-1', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'nonmusic-unsorted'
                                             'bpm'  '133.5'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '12/20/57'
'TBPM' (BPM (beats per minute))                     '133.5'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'The White House'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tales Of The Frightened'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-2.59 dB'
'TXXX:replaygain_track_peak'                        '0.936517'

========================== row from database ==========================
                                              'id'  1483102
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tales of the Frightened/Tales Of The Frightened 57-12-20 (x) The White House.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  260
                                           'genre'  nonmusic-unsorted
                                        'filesize'  2090403
                                           'mtime'  1620561997
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic of the (x) nonmusic unsorted
                                      'tag_artist'  Tales Of The Frightened
                                     'tag_release'  12/20/57
                                       'tag_title'  The White House
                                             'bpm'  133.5
                                    'search_title'  'house':3 'the':1 'white':2
                                   'search_artist'  'frightened':4 'of':2 'tales':1 'the':3
                                  'search_release'  '12':1 '122057':4 '20':2 '57':3
                                     'search_rest'  '00poprockelectronic':1 'nonmusic':6 'of':2 'the':3 'unsorted':7 'x':4,5
                                    'search_combo'  '00poprockelectronic':12 '12':8C '122057':11C '20':9C '57':10C 'frightened':7B 'house':3A 'nonmusic':17 'of':5B,13 'tales':4B 'the':1A,6B,14 'unsorted':18 'white':2A 'x':15,16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-1', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561997.3100097  (2021-05-09 14:06:37)
                             'size'  2090403