<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '155'
                                          'artist'  'De Butlers'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 01 - Exotica Special'
                                           'title'  'De Chinees Doet Meer Met Vlees'
                                           'quals'  ("['q-mix-1', 'q-bass-3', 'q-grit-1', 'q-play-2', 'q-chart-1', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '30'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '123.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81400>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1388340"/>
'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 01 - Exotica Special'
'TBPM' (BPM (beats per minute))                     '123.2'
'TCON' (Content type, a.k.a. Genre)                 'jb-jazz-lounge or exotica or bossa'
'TENC' (Encoded by)                                 'iTunes 8.2.0.23, QuickTime 7.6.2'
'TIT2' (Title/songname/content description)         'De Chinees Doet Meer Met Vlees'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'De Butlers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '30'
'TXXX:q-bass'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mix'                                        '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.34 dB'
'TXXX:replaygain_track_peak'                        '0.406761'
'WXXX:'                                             WXXX(encoding=&lt;Encoding.UTF16: 1&gt;, desc='', url='http://www.avs4you.com')

========================== row from database ==========================
                                              'id'  1388340
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Monte Babson - va - Trashcan Records Vol. 01 - Exotica Special/30 - De Butlers - De Chinees Doet Meer Met Vlees (Chinese Do A Lot More With Meat) (Amsterdam, Holland) (Dureco, Omega & Elf).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  155
                                           'genre'  jb-jazz-lounge or exotica or bossa
                                        'filesize'  6303413
                                           'mtime'  1620168415
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Monte Babson va 30 (Chinese A Lot More With Meat) (Amsterdam, Holland) (Dureco, Omega & Elf) jb jazz lounge exotica bossa
                                      'tag_artist'  De Butlers
                                     'tag_release'  Trashcan Records Vol. 01 - Exotica Special
                                       'tag_title'  De Chinees Doet Meer Met Vlees
                                             'bpm'  123.2
                                    'search_title'  'chinees':2 'de':1 'doet':3 'meer':4 'met':5 'vlees':6
                                   'search_artist'  'butlers':2 'de':1
                                  'search_release'  'exotica':5 'records':2 'special':6 'trashcan':1 'vol':3,4
                                     'search_rest'  '30':8 'a':11 'amsterdam':17,18 'babson':6 'bossa':28 'chinese':9,10 'country':4 'dureco':21,22 'elf':24,25 'exotica':2 'holland':19,20 'jazz':1 'jb':26 'lot':12 'lounge':27 'meat':15,16 'monte':5 'more':13 'oldies':3 'omega':23 'va':7 'with':14
                                    'search_combo'  '30':22 'a':25 'amsterdam':31,32 'babson':20 'bossa':42 'butlers':8B 'chinees':2A 'chinese':23,24 'country':18 'de':1A,7B 'doet':3A 'dureco':35,36 'elf':38,39 'exotica':13C,16 'holland':33,34 'jazz':15 'jb':40 'lot':26 'lounge':41 'meat':29,30 'meer':4A 'met':5A 'monte':19 'more':27 'oldies':17 'omega':37 'records':10C 'special':14C 'trashcan':9C 'va':21 'vlees':6A 'vol':11C,12C 'with':28
                                    'tag_tracknum'  30
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['q-vocals-4', 'q-piano-1', 'q-play-2', 'q-mix-1', 'q-drums-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620168415.3291683  (2021-05-05 00:46:55)
                             'size'  6303413