======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '630'
                                          'artist'  'Akercocke'
                                     'text_people'  ''
                                         'release'  'Rape of the Bastard Nazarene (reissue)'
                                           'title'  '  Sempiternal Suffering'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive death metal', 'black metal', 'death metal', 'blackened death "
 "metal', 'progressive metal']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '66'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '126.174'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=255, count=0)
'TALB' (Album/Movie/Show title)                     'Rape of the Bastard Nazarene (reissue)'
'TBPM' (BPM (beats per minute))                     '126.174'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         '  Sempiternal Suffering'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Akercocke'
'TPE2' (Band/orchestra/accompaniment)               'Akercocke'
'TRCK' (Track number/Position in set)               '11/66'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['progressive death metal',
 'black metal',
 'death metal',
 'blackened death metal',
 'progressive metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.65 dB'
'TXXX:replaygain_track_peak'                        '0.433592'

========================== row from database ==========================
                                              'id'  1395988
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00black/Akercocke - 1999 - Rape Of The Bastard Nazarene/akercocke - 11 - sempiternal suffering.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  630
                                           'genre'  eid-metal-black
                                        'filesize'  12623038
                                           'mtime'  1620301298
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00black 1999 Of The akercocke 11 sempiternal suffering eid metal black
                                      'tag_artist'  Akercocke
                                     'tag_release'  Rape of the Bastard Nazarene (reissue)
                                       'tag_title'    Sempiternal Suffering
                                             'bpm'  126.174
                                    'search_title'  'sempiternal':1 'suffering':2
                                   'search_artist'  'akercocke':1
                                  'search_release'  'bastard':4 'nazarene':5 'of':2 'rape':1 'reissue':6,7 'the':3
                                     'search_rest'  '00black':3 '00dwimp':1 '00metal':2 '1999':4 'akercocke':7 'black':12 'eid':10 'metal':11 'of':5 'sempiternal':8 'suffering':9 'the':6
                                    'search_combo'  '00black':13 '00dwimp':11 '00metal':12 '1999':14 'akercocke':3B,17 'bastard':7C 'black':22 'eid':20 'metal':21 'nazarene':8C 'of':5C,15 'rape':4C 'reissue':9C,10C 'sempiternal':1A,18 'suffering':2A,19 'the':6C,16
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['progressive death metal', 'black metal', 'death metal', 'blackened death metal', 'progressive metal']
                                        'tag_date'  1999
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301298.2968142  (2021-05-06 13:41:38)
                             'size'  12623038