======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '177'
                                          'artist'  'At The Gates'
                                     'text_people'  ''
                                         'release'  'Slaughter Of The Soul'
                                           'title'  'The Flames Of The End'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'metal', 'melodic death metal', 'death metal', 'gothenburg metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '103.325'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:4Z\x00\x00'                         PRIV(owner='PeakValue', data=b'4Z\x00\x00')
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'TALB' (Album/Movie/Show title)                     'Slaughter Of The Soul'
'TBPM' (BPM (beats per minute))                     '103.325'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'The Flames Of The End'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'At The Gates'
'TRCK' (Track number/Position in set)               '11'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['swedish', 'metal', 'melodic death metal', 'death metal', 'gothenburg metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.69 dB'
'TXXX:replaygain_track_peak'                        '0.352364'

========================== row from database ==========================
                                              'id'  1395793
                                            'path'  /data/Music/Bulk/00dwimp/00metal/At the gates/Slaughter of the soul/At The Gates_Slaughter Of The Soul_11_-_The Flames Of The End.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  177
                                           'genre'  eid-metal-death
                                        'filesize'  4267633
                                           'mtime'  1620301856
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal the gates of the soul Gates_Slaughter Soul_11_ _The eid metal death
                                      'tag_artist'  At The Gates
                                     'tag_release'  Slaughter Of The Soul
                                       'tag_title'  The Flames Of The End
                                             'bpm'  103.325
                                    'search_title'  'end':4 'flames':2 'of':3 'the':1
                                   'search_artist'  'at':1 'gates':3 'the':2
                                  'search_release'  'of':2 'slaughter':1 'soul':4 'the':3
                                     'search_rest'  '00dwimp':1 '00metal':2 '11':10 'death':14 'eid':12 'gates':4,7 'metal':13 'of':5 'slaughter':8 'soul':6,9 'the':3,11
                                    'search_combo'  '00dwimp':12 '00metal':13 '11':21 'at':5B 'death':25 'eid':23 'end':4A 'flames':2A 'gates':7B,15,18 'metal':24 'of':3A,9C,16 'slaughter':8C,19 'soul':11C,17,20 'the':1A,6B,10C,14,22
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'metal', 'melodic death metal', 'death metal', 'gothenburg metal']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301855.8147888  (2021-05-06 13:50:55)
                             'size'  4267633