<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '243'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'Something Weird Audio Volume 2'
                                           'title'  'hot pearl snatch (degragation of love)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-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-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '116.120'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d75df0>

'APIC:'                                             type PictureType.OTHER (Other) b''<br/>                                     <img style="width:150px" src="image?fid=1387733"/>
'TALB' (Album/Movie/Show title)                     'Something Weird Audio Volume 2'
'TBPM' (BPM (beats per minute))                     '116.120'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2013'
'TIT2' (Title/songname/content description)         'hot pearl snatch (degragation of love)'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '243748'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '28'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.44 dB'
'TXXX:replaygain_track_peak'                        '0.501566'

========================== row from database ==========================
                                              'id'  1387733
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - Something Weird Audio Vol. 2/28. hot pearl snatch (degragation of love).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  243
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  3902833
                                           'mtime'  1636916566
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va Vol. 28. electronic experimental oddness
                                      'tag_artist'  None
                                     'tag_release'  Something Weird Audio Volume 2
                                       'tag_title'  hot pearl snatch (degragation of love)
                                             'bpm'  116.12
                                    'search_title'  'degragation':4,5 'hot':1 'love':7,8 'of':6 'pearl':2 'snatch':3
                                   'search_artist'  None
                                  'search_release'  '2':5 'audio':3 'something':1 'volume':4 'weird':2
                                     'search_rest'  '28':4,5 'electronic':6 'experimental':7 'oddness':8 'va':1 'vol':2,3
                                    'search_combo'  '2':13C '28':17,18 'audio':11C 'degragation':4A,5A 'electronic':19 'experimental':20 'hot':1A 'love':7A,8A 'oddness':21 'of':6A 'pearl':2A 'snatch':3A 'something':9C 'va':14 'vol':15,16 'volume':12C 'weird':10C
                                    'tag_tracknum'  28
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', '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'  []
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916565.501118  (2021-11-14 20:02:45)
                             'size'  3902833