======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '222'
                                          'artist'  'Pokemon'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Pika Pika Pikachu (Techno Mix) (1)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['soundtrack', 'anime', 'japanese', 'pokemon', 'pokecore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '106.981'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '106.981'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'Pika Pika Pikachu (Techno Mix) (1)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pokemon'
'TRCK' (Track number/Position in set)               '0'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'anime', 'japanese', 'pokemon', 'pokecore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.38 dB'
'TXXX:replaygain_track_peak'                        '0.951097'

========================== row from database ==========================
                                              'id'  1406250
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Top 40/Pokemon - Pika Pika Pikachu (Techno Mix) (1).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  222
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  3567488
                                           'mtime'  1620645416
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat Top 40 electronic generic or radio dance
                                      'tag_artist'  Pokemon
                                     'tag_release'  None
                                       'tag_title'  Pika Pika Pikachu (Techno Mix) (1)
                                             'bpm'  106.981
                                    'search_title'  '1':7,8 'mix':5,6 'pika':1 'pikachu':2 'techno':3,4
                                   'search_artist'  'pokemon':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '40':6 'dance':3 'electronic':7 'generic':2 'or':8 'radio':9 'top':5 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':10 '1':7A,8A '40':15 'dance':12 'electronic':16 'generic':11 'mix':5A,6A 'or':17 'pika':1A 'pikachu':2A 'pokemon':9B 'radio':18 'techno':3A,4A 'top':14 'trapbeat':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'anime', 'japanese', 'pokemon', 'pokecore']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620645415.505848  (2021-05-10 13:16:55)
                             'size'  3567488