======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '207'
                                          'artist'  'Queen'
                                     'text_people'  'Howard Blake'
                                         'release'  'Flash Gordon'
                                           'title'  'The Hero'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']"
                                     'discogstags'  "['rock', 'stage & screen', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '18'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '116.7'
                                             'key'  '8A'
                                        'acoustid'  '6df1173e-f73b-47ac-b9ca-200229571274'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Flash Gordon'
'TBPM' (BPM (beats per minute))                     '116.7'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1980'
'TDRC' (Recording time)                             '2004-07-12'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Queen'], ['mix', 'Alan Douglas'], ['arranger', 'Queen'], ['arranger', 'Howard Blake'], ['vocal', 'Roger Taylor'], ['vocal', 'Brian May'], ['drums and synthesizer', 'Roger Taylor'], ['bass guitar, guitar and synthesizer', 'John Deacon'], ['synthesizer', 'Freddie Mercury'], ['lead vocals vocal', 'Freddie Mercury'], ['guitar and synthesizer', 'Brian May']])
'TIT2' (Title/songname/content description)         'The Hero'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Queen'
'TPE2' (Band/orchestra/accompaniment)               'Queen'
'TPE3' (Conductor/performer refinement)             'Howard Blake'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '18/18'
'TSO2'                                              'Queen'
'TSOP' (Performer sort order)                       'Queen'
'TSRC' (ISRC (international standard recording code))  'GBUM71103362'
'TXXX:Acoustid Id'                                  '6df1173e-f73b-47ac-b9ca-200229571274'
'TXXX:MusicBrainz Album Artist Id'                  '0383dadf-2a4e-4d10-a46a-e9e041da8eb3'
'TXXX:MusicBrainz Album Id'                         '358a26e2-459c-31a4-871c-c7de90d7e310'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'soundtrack'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'stage & screen', 'classic rock']
'TXXX:lastfmtags'                                   ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.583110'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fb4c5648-b686-4fda-9a91-d63fafe8f31a')

========================== row from database ==========================
                                              'id'  1475917
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Queen/Flash Gordon/18 - Queen - The hero.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  207
                                           'genre'  rock-cppex-classic
                                        'filesize'  3329826
                                           'mtime'  1636038787
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 18 hero rock cppex classic
                                      'tag_artist'  Queen
                                     'tag_release'  Flash Gordon
                                       'tag_title'  The Hero
                                             'bpm'  116.7
                                    'search_title'  'hero':2 'the':1
                                   'search_artist'  'queen':1
                                  'search_release'  'flash':1 'gordon':2
                                     'search_rest'  '18':2 'classic':6 'classicprogpsy':1 'cppex':5 'hero':3 'rock':4
                                    'search_combo'  '18':7 'classic':11 'classicprogpsy':6 'cppex':10 'flash':4C 'gordon':5C 'hero':2A,8 'queen':3B 'rock':9 'the':1A
                                    'tag_tracknum'  18
                                      '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-3', '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'  2004
                                     'discogstags'  ['rock', 'stage & screen', 'classic rock']

============================== file details ==============================
                                           'mtime'  1636038787.0498042  (2021-11-04 16:13:07)
                             'size'  3329826