======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '400'
                                          'artist'  'Dustlab'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Dreadnaut926'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '116.857'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\x17\x1f\x00\x00'                PRIV(owner='AverageLevel', data=b'\x17\x1f\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TBPM' (BPM (beats per minute))                     '116.857'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2001'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Dreadnaut926'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '400648'
'TPE1' (Lead performer(s)/Soloist(s))               'Dustlab'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.631204'
'UFID:mailto:webmaster@mp3.com'                     UFID(owner='mailto:webmaster@mp3.com', data=b'1286646')
'USER:eng'                                          ('Copyright notice. All material on MP3.com are protected by copyright law and '
 'by international treaties. You may download this material and make a '
 'reasonable number of copies of this material only for your own personal use. '
 'You may not otherwise reproduce, distribute, publicly perform, publicly '
 'display, or create derivative works of this material, unless authorized by '
 'the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  1309719
                                            'path'  /data/Music/Bulk/00poprockelectronic/Dustlab/dreadnaut926.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  400
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  6418537
                                           'mtime'  1620569137
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic dreadnaut926 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Dustlab
                                     'tag_release'  None
                                       'tag_title'  Dreadnaut926
                                             'bpm'  116.857
                                    'search_title'  'dreadnaut926':1
                                   'search_artist'  'dustlab':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dreadnaut926':2 'hip':3 'hop':4 'or':5 'rap':7 'rnb':6 'turntablism':8
                                    'search_combo'  '00poprockelectronic':3 'dreadnaut926':1A,4 'dustlab':2B 'hip':5 'hop':6 'or':7 'rap':9 'rnb':8 'turntablism':10
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569136.8989367  (2021-05-09 16:05:36)
                             'size'  6418537