======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '184'
                                          'artist'  'Martin White'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'In The Evil Castle'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['accordian', 'covers', 'instrumental', 'kooky']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '84.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:Ý\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xdd\x0e\x00\x00')
'PRIV:PeakValue:#~\x00\x00'                         PRIV(owner='PeakValue', data=b'#~\x00\x00')
'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '84.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'In The Evil Castle'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Martin White'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['accordian', 'covers', 'instrumental', 'kooky']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.585966'

========================== row from database ==========================
                                              'id'  648076
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/Martin White - in the evil castle.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  184
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4431680
                                           'mtime'  1636916375
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs the evil castle electronic experimental oddness
                                      'tag_artist'  Martin White
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  In The Evil Castle
                                             'bpm'  84.8
                                    'search_title'  'castle':4 'evil':3 'in':1 'the':2
                                   'search_artist'  'martin':1 'white':2
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'castle':5 'electronic':6 'evil':4 'experimental':7 'maniacs':2 'music':1 'oddness':8 'the':3
                                    'search_combo'  'castle':4A,14 'electronic':15 'evil':3A,13 'experimental':16 'for':8C 'in':1A 'maniacs':9C,11 'martin':5B 'music':7C,10 'oddness':17 'the':2A,12 'white':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['accordian', 'covers', 'instrumental', 'kooky']
                                        'tag_date'  2005
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1636916374.997419  (2021-11-14 19:59:34)
                             'size'  4431680