<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '139'
                                          'artist'  'Uèlè Kalabubu'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 17 - Mondo Exotica Pt. 4'
                                           'title'  'Sassa Boumbi-Tumba'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor'
                                             'bpm'  '145.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d75580>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1385504"/>
'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 17 - Mondo Exotica Pt. 4'
'TBPM' (BPM (beats per minute))                     '145.2'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa', 'set-pl-mor']
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes 8.2.0.23, QuickTime 7.6.2'
'TIT2' (Title/songname/content description)         'Sassa Boumbi-Tumba'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Uèlè Kalabubu'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '29'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.75 dB'
'TXXX:replaygain_track_peak'                        '0.382493'
'WXXX:'                                             WXXX(encoding=&lt;Encoding.UTF16: 1&gt;, desc='', url='http://www.avs4you.com')

========================== row from database ==========================
                                              'id'  1385504
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Albinos - va - Trashcan Records Vol. 17 - Mondo Exotica Pt. 4/29 - Uèlè Kalabubu - Sassa Boumbi-Tumba (Philips) (France).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  139
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor
                                        'filesize'  5675956
                                           'mtime'  1620528142
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Albinos va 29 (Philips) (France) prerock jb jazz lounge exotica bossa;set pl mor
                                      'tag_artist'  Uèlè Kalabubu
                                     'tag_release'  Trashcan Records Vol. 17 - Mondo Exotica Pt. 4
                                       'tag_title'  Sassa Boumbi-Tumba
                                             'bpm'  145.2
                                    'search_title'  'boumbi':2 'boumbitumba':4 'sassa':1 'tumba':3
                                   'search_artist'  'kalabubu':3 'uele':1,2
                                  'search_release'  '4':9 'exotica':6 'mondo':5 'pt':7,8 'records':2 'trashcan':1 'vol':3,4
                                     'search_rest'  '29':7 'albinos':5 'bossa':15,17 'country':4 'exotica':2 'france':10,11 'jazz':1 'jb':13 'lounge':14 'mor':20 'oldies':3 'philips':8,9 'pl':19 'prerock':12 'set':16,18 'va':6
                                    'search_combo'  '29':23 '4':16C 'albinos':21 'bossa':31,33 'boumbi':2A 'boumbitumba':4A 'country':20 'exotica':13C,18 'france':26,27 'jazz':17 'jb':29 'kalabubu':7B 'lounge':30 'mondo':12C 'mor':36 'oldies':19 'philips':24,25 'pl':35 'prerock':28 'pt':14C,15C 'records':9C 'sassa':1A 'set':32,34 'trashcan':8C 'tumba':3A 'uele':5B,6B 'va':22 'vol':10C,11C
                                    'tag_tracknum'  29
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528141.6721542  (2021-05-09 04:42:21)
                             'size'  5675956