======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '366'
                                          'artist'  'Bruce Springsteen'
                                     'text_people'  ''
                                         'release'  'The River'
                                           'title'  'Point Blank'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'classic rock', 'singer songwriter', 'folk', 'rock']"
                                     'discogstags'  "['rock', 'folk rock', 'pop rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '120.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The River'
'TBPM' (BPM (beats per minute))                     '120.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Point Blank'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce Springsteen'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk rock', 'pop rock', 'classic rock']
'TXXX:lastfmtags'                                   ['80s', 'classic rock', 'singer songwriter', 'folk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.996595'

========================== row from database ==========================
                                              'id'  1415784
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Bruce Springsteen - 1980 - The River/12 - Point Blank.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  366
                                           'genre'  rock-cppex-classic
                                        'filesize'  8795023
                                           'mtime'  1636038687
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1980 12 rock cppex classic
                                      'tag_artist'  Bruce Springsteen
                                     'tag_release'  The River
                                       'tag_title'  Point Blank
                                             'bpm'  120.0
                                    'search_title'  'blank':2 'point':1
                                   'search_artist'  'bruce':1 'springsteen':2
                                  'search_release'  'river':2 'the':1
                                     'search_rest'  '1980':2 'classic':5 'classicprogpsy':1 'cppex':4 'rock':3
                                    'search_combo'  '1980':8 'blank':2A 'bruce':3B 'classic':11 'classicprogpsy':7 'cppex':10 'point':1A 'river':6C 'rock':9 'springsteen':4B 'the':5C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'classic rock', 'singer songwriter', 'folk', 'rock']
                                        'tag_date'  1980
                                     'discogstags'  ['rock', 'folk rock', 'pop rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1636038686.6931603  (2021-11-04 16:11:26)
                             'size'  8795023