<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '313'
                                          'artist'  'Louis St. Louis'
                                     'text_people'  ''
                                         'release'  'Grease 2'
                                           'title'  "Who's That Guy?"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'blues', 'grease', 'home collection', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '128.495'
                                             'key'  '6A'
                                        'acoustid'  'd7dbe904-e268-467a-b0d6-e6c3dd2ad938'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f954215a7f0>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1502331"/>
'TALB' (Album/Movie/Show title)                     'Grease 2'
'TBPM' (BPM (beats per minute))                     '128.495'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '1982'
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         "Who's That Guy?"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Louis St. Louis'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Saint Louis, Louis'
'TXXX:ASIN'                                         'B000001FDM'
'TXXX:Acoustid Id'                                  'd7dbe904-e268-467a-b0d6-e6c3dd2ad938'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '34982f75-ba10-4801-8350-128b3b1f85ff'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'soundtrack'
'TXXX:MusicBrainz Artist Id'                        '670f3946-cc8a-44fb-b1b8-4482f136e506'
'TXXX:MusicBrainz Release Group Id'                 '964b195c-aff9-3407-8b08-0a295299376d'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['soundtrack', 'blues', 'grease', 'home collection', 'all']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.64 dB'
'TXXX:replaygain_track_peak'                        '0.737536'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a5533d66-e04f-4127-b5cc-52320f390e0a')

========================== row from database ==========================
                                              'id'  1502331
                                            'path'  /data/Music/Bulk/0soundtrack/Grease 2 - Original Soundtrack Recording/06 Who_s That Guy_.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  313
                                           'genre'  soundtrack-video
                                        'filesize'  5301063
                                           'mtime'  1636914972
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Original Soundtrack Recording 06 Who_s Guy_ soundtrack video
                                      'tag_artist'  Louis St. Louis
                                     'tag_release'  Grease 2
                                       'tag_title'  Who's That Guy?
                                             'bpm'  128.495
                                    'search_title'  'guy':5 's':2 'that':4 'who':1 'whos':3
                                   'search_artist'  'louis':1 'st':2,3
                                  'search_release'  '2':2 'grease':1
                                     'search_rest'  '0soundtrack':1 'guy':7 'original':2 'recording':4 's':6 'soundtrack':3 'video':8 'who':5
                                    'search_combo'  '0soundtrack':11 '2':10C 'grease':9C 'guy':5A,17 'louis':6B 'original':12 'recording':14 's':2A,16 'soundtrack':13 'st':7B,8B 'that':4A 'video':18 'who':1A,15 'whos':3A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'blues', 'grease', 'home collection', 'all']
                                        'tag_date'  1982
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914971.9576993  (2021-11-14 19:36:11)
                             'size'  5301063