<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '191.661'
                                        'duration'  '96'
                                          'artist'  'Sparks'
                                     'text_people'  ''
                                         'release'  'Indiscreet'
                                           'title'  'The Wedding of Jacqueline Kennedy to Russell Mael'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['new wave', 'synth pop', 'rock', 'pop', 'glam rock']"
                                     'discogstags'  "['rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '16'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '143'
                                             'key'  '8B'
                                        'acoustid'  '41845885-4e77-4c01-8f03-348bda53cadf'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f9537d81e80>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1409483"/>
'TALB' (Album/Movie/Show title)                     'Indiscreet'
'TBPM' (BPM (beats per minute))                     '143'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDOR' (Original release time)                      '1975'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'The Wedding of Jacqueline Kennedy to Russell Mael'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sparks'
'TPE2' (Band/orchestra/accompaniment)               'Sparks'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Island/Universal Music Catalogue'
'TRCK' (Track number/Position in set)               '15/16'
'TSO2'                                              'Sparks'
'TSOP' (Performer sort order)                       'Sparks'
'TSRC' (ISRC (international standard recording code))  'GBUM70603453'
'TXXX:ASIN'                                         'B000I8NGJG'
'TXXX:Acoustid Id'                                  '41845885-4e77-4c01-8f03-348bda53cadf'
'TXXX:Artists'                                      'Sparks'
'TXXX:BARCODE'                                      '602498434116'
'TXXX:CATALOGNUMBER'                                '9843411'
'TXXX:MusicBrainz Album Artist Id'                  'f319b57a-a494-40f6-a467-3d196d3484e6'
'TXXX:MusicBrainz Album Id'                         '48e79f11-66f5-4fad-9fe1-9fa3f2368195'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f319b57a-a494-40f6-a467-3d196d3484e6'
'TXXX:MusicBrainz Release Group Id'                 '8a5efe53-0ada-3b58-835b-e1ac22b8e74b'
'TXXX:MusicBrainz Release Track Id'                 'a6ff893b-7cad-38c0-bfc0-bc51fd1f167c'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'pop rock']
'TXXX:lastfmtags'                                   ['new wave', 'synth pop', 'rock', 'pop', 'glam rock']
'TXXX:originalyear'                                 '1975'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.654190'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'44e50ce0-eba5-4f90-bbc4-2a59951fe7f6')

========================== row from database ==========================
                                              'id'  1409483
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Sparks/(1975) Indiscreet/15 - The Wedding Of Jacqueline Kennedy To Russell Mael.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  96
                                           'genre'  rock-cppex
                                        'filesize'  2405575
                                           'mtime'  1636921782
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy (1975) 15 Of To rock cppex
                                      'tag_artist'  Sparks
                                     'tag_release'  Indiscreet
                                       'tag_title'  The Wedding of Jacqueline Kennedy to Russell Mael
                                             'bpm'  143.0
                                    'search_title'  'jacqueline':4 'kennedy':5 'mael':8 'of':3 'russell':7 'the':1 'to':6 'wedding':2
                                   'search_artist'  'sparks':1
                                  'search_release'  'indiscreet':1
                                     'search_rest'  '1975':2,3 'classicprogpsy':1 'cppex':7 'of':4 'rock':6 'to':5
                                    'search_combo'  '1975':12,13 'classicprogpsy':11 'cppex':17 'indiscreet':10C 'jacqueline':4A 'kennedy':5A 'mael':8A 'of':3A,14 'rock':16 'russell':7A 'sparks':9B 'the':1A 'to':6A,15 'wedding':2A
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'synth pop', 'rock', 'pop', 'glam rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636921782.189825  (2021-11-14 21:29:42)
                             'size'  2405575