======================== unified (from filesystem) ========================
                                         'bitrate'  '179.345'
                                        'duration'  '209'
                                          'artist'  'Queen'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  'Play the Game'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']"
                                     'discogstags'  "['rock', 'pop rock', 'glam']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '17'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '143.213'
                                             'key'  '8A'
                                        'acoustid'  '6feccbae-db5c-403e-9b05-57aa7af5d607'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '143.213'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Play the Game'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Queen'
'TPE2' (Band/orchestra/accompaniment)               'Queen'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '13/17'
'TSO2'                                              'Queen'
'TSOP' (Performer sort order)                       'Queen'
'TSRC' (ISRC (international standard recording code))  'GBCEE0100124/GBUM71029615'
'TXXX:Acoustid Id'                                  '6feccbae-db5c-403e-9b05-57aa7af5d607'
'TXXX:BARCODE'                                      '724352988327'
'TXXX:MusicBrainz Album Artist Id'                  '0383dadf-2a4e-4d10-a46a-e9e041da8eb3'
'TXXX:MusicBrainz Album Id'                         '5f4d7802-9ab7-4fc5-9dcf-e6d9f7a6fbb8'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '0383dadf-2a4e-4d10-a46a-e9e041da8eb3'
'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', 'pop rock', 'glam']
'TXXX:lastfmtags'                                   ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
'TXXX:original release date'                        ['1981', '1991']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.556895'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fd69655e-91e3-42d5-8cb5-27e3a3784067')

========================== row from database ==========================
                                              'id'  1416694
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Queen/Greatest Hits/13 - Play The Game.mp3
                                         'working'  None
                                         'bitrate'  179
                                    'duration_sec'  209
                                           'genre'  rock-cppex-classic
                                        'filesize'  4709607
                                           'mtime'  1636038803
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 13 The rock cppex classic
                                      'tag_artist'  Queen
                                     'tag_release'  Greatest Hits
                                       'tag_title'  Play the Game
                                             'bpm'  143.213
                                    'search_title'  'game':3 'play':1 'the':2
                                   'search_artist'  'queen':1
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  'classic':5 'classicprogpsy':1 'cppex':4 'rock':3 'the':2
                                    'search_combo'  'classic':11 'classicprogpsy':7 'cppex':10 'game':3A 'greatest':5C 'hits':6C 'play':1A 'queen':4B 'rock':9 'the':2A,8
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1991
                                     'discogstags'  ['rock', 'pop rock', 'glam']

============================== file details ==============================
                                           'mtime'  1636038803.208531  (2021-11-04 16:13:23)
                             'size'  4709607