======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '235'
                                          'artist'  'Mr. T'
                                     'text_people'  ''
                                         'release'  "Mr. T's Commandments"
                                           'title'  'The Toughest Man In The World'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['bemani', 'hip-hop', 'video game music', 'ddr', 'beatmania']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '115.326'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Mr. T's Commandments"
'TBPM' (BPM (beats per minute))                     '115.326'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'The Toughest Man In The World'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mr. T'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['bemani', 'hip-hop', 'video game music', 'ddr', 'beatmania']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.82 dB'
'TXXX:replaygain_track_peak'                        '0.664385'

========================== row from database ==========================
                                              'id'  720355
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Mr. T/03 - The Toughest Man.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  235
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5669306
                                           'mtime'  1620586254
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 03 hip hop rnb rap turntablism
                                      'tag_artist'  Mr. T
                                     'tag_release'  Mr. T's Commandments
                                       'tag_title'  The Toughest Man In The World
                                             'bpm'  115.326
                                    'search_title'  'in':4 'man':3 'the':1 'toughest':2 'world':5
                                   'search_artist'  'mr':1,2 't':3
                                  'search_release'  'commandments':6 'mr':1,2 's':4 't':3 'ts':5
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'commandments':14C 'hip':19 'hiphop':15 'hop':20 'in':4A 'man':3A 'mr':6B,7B,9C,10C 'rap':16 'rnb':17 's':12C 't':8B,11C 'the':1A 'toughest':2A 'ts':13C 'turntablism':18 'world':5A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['bemani', 'hip-hop', 'video game music', 'ddr', 'beatmania']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586253.9610405  (2021-05-09 20:50:53)
                             'size'  5669306