<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '137'
                                          'artist'  'Blowfly'
                                     'text_people'  ''
                                         'release'  'The Weird World of Blowfly'
                                           'title'  'Spermy Night in Georgia'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'Q-GRIT-2', 'Q-BUSY-2', 'q-bass-1', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-SYN-2', 'Q-PLAY-3', 'Q-CHART-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['funk', 'soul', 'comedy', 'hip-hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '16'
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '128.3'
                                             'key'  '8A'
                                        'acoustid'  '893f8ced-a149-4e51-a706-4b5ba6b680ee'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d75e80>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1484024"/>
'TALB' (Album/Movie/Show title)                     'The Weird World of Blowfly'
'TBPM' (BPM (beats per minute))                     '128.3'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Spermy Night in Georgia'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Blowfly'
'TPE2' (Band/orchestra/accompaniment)               'Blowfly'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Weird World'
'TRCK' (Track number/Position in set)               '10/16'
'TSO2'                                              'Blowfly'
'TSOP' (Performer sort order)                       'Blowfly'
'TXXX:Acoustid Id'                                  '893f8ced-a149-4e51-a706-4b5ba6b680ee'
'TXXX:Artists'                                      'Blowfly'
'TXXX:CATALOGNUMBER'                                'WW-2020'
'TXXX:MusicBrainz Album Artist Id'                  '47e10a96-cd1a-4fd9-947e-87b1a201284e'
'TXXX:MusicBrainz Album Id'                         'd32524cb-c658-4e4b-8c4c-19599ad542fa'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '47e10a96-cd1a-4fd9-947e-87b1a201284e'
'TXXX:MusicBrainz Release Group Id'                 '15ca35ee-c47a-30f1-a7bc-f753d7b51f2f'
'TXXX:MusicBrainz Release Track Id'                 'dbd5ff32-2553-346b-8dd5-b807fbbd76ca'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['funk', 'soul', 'comedy', 'hip-hop']
'TXXX:originalyear'                                 '1973'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.24 dB'
'TXXX:replaygain_track_peak'                        '0.488528'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2bbc527f-6dba-4215-a8bc-57ed2f073c58')

========================== row from database ==========================
                                              'id'  1484024
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/blowfly - 1971 - weird world of blowfly/10 - spermy night in georgia.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  137
                                           'genre'  funk or soul-funk
                                        'filesize'  2792495
                                           'mtime'  1620665566
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy blowfly 1971 weird world blowfly 10 spermy night georgia funk soul funk
                                      'tag_artist'  Blowfly
                                     'tag_release'  The Weird World of Blowfly
                                       'tag_title'  Spermy Night in Georgia
                                             'bpm'  128.3
                                    'search_title'  'georgia':4 'in':3 'night':2 'spermy':1
                                   'search_artist'  'blowfly':1
                                  'search_release'  'blowfly':5 'of':4 'the':1 'weird':2 'world':3
                                     'search_rest'  '1971':3 'blowfly':2 'classicprogpsy':1 'funk':9 'georgia':8 'night':7 'soul':10 'spermy':6 'weird':4 'world':5
                                    'search_combo'  '1971':13 'blowfly':5B,10C,12 'classicprogpsy':11 'funk':19 'georgia':4A,18 'in':3A 'night':2A,17 'of':9C 'soul':20 'spermy':1A,16 'the':6C 'weird':7C,14 'world':8C,15
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-4', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  ['funk', 'soul', 'comedy', 'hip-hop']
                                        'tag_date'  1973
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665565.9346135  (2021-05-10 18:52:45)
                             'size'  2792495