======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '251'
                                          'artist'  'Propagandhi'
                                     'text_people'  ''
                                         'release'  'How to Clean Everything'
                                           'title'  'Haillie Sellasse, Up Your Ass'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['political', 'punk rock', 'hardcore punk', 'punk', 'hardcore']"
                                     'discogstags'  "['punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '122.733'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'How to Clean Everything'
'TBPM' (BPM (beats per minute))                     '122.733'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Haillie Sellasse, Up Your Ass'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Propagandhi'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['punk', 'rock']
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'hardcore punk', 'punk', 'hardcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.490141'

========================== row from database ==========================
                                              'id'  1420248
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Propagandhi/08 -Haillie Sellasse.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  251
                                           'genre'  rock-gr-punk
                                        'filesize'  4026713
                                           'mtime'  1622659127
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 08 rock gr punk
                                      'tag_artist'  Propagandhi
                                     'tag_release'  How to Clean Everything
                                       'tag_title'  Haillie Sellasse, Up Your Ass
                                             'bpm'  122.733
                                    'search_title'  'ass':6 'haillie':1 'sellasse':2,3 'up':4 'your':5
                                   'search_artist'  'propagandhi':1
                                  'search_release'  'clean':3 'everything':4 'how':1 'to':2
                                     'search_rest'  'garage':2 'gr':6 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  'ass':6A 'clean':10C 'everything':11C 'garage':13 'gr':17 'haillie':1A 'how':8C 'propagandhi':7B 'punk':12 'rock':16 'sellasse':2A,3A 'stoner':15 'surf':14 'to':9C 'up':4A 'your':5A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['political', 'punk rock', 'hardcore punk', 'punk', 'hardcore']
                                        'tag_date'  1993
                                     'discogstags'  ['punk', 'rock']

============================== file details ==============================
                                           'mtime'  1622659126.583269  (2021-06-02 20:38:46)
                             'size'  4026713