======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '369'
                                          'artist'  'Erykah Badu'
                                     'text_people'  ''
                                         'release'  "Mama's Gun"
                                           'title'  'Penitentiary Philosophy'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'jazz', 'female vocalists', 'soul', 'neo soul']"
                                     'discogstags'  "['hip hop', 'funk / soul', 'rnb/swing', 'neo soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '15'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '107.8'
                                             'key'  '12A'
                                        'acoustid'  'ddbb17cb-d4be-4497-b052-c84bc0cfd4a7'
rest: ''

======================== rawer (from filesystem) ========================

'COMM:ID3v1 Comment:eng'                            'www.supermp3s.net'
'TALB' (Album/Movie/Show title)                     "Mama's Gun"
'TBPM' (BPM (beats per minute))                     '107.8'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2001-03-26'
'TIT2' (Title/songname/content description)         'Penitentiary Philosophy'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Erykah Badu'
'TPE2' (Band/orchestra/accompaniment)               'Erykah Badu'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Motown Records'
'TRCK' (Track number/Position in set)               '1/15'
'TSO2'                                              'Badu, Erykah'
'TSOP' (Performer sort order)                       'Badu, Erykah'
'TSRC' (ISRC (international standard recording code))  'USMO10001028'
'TXXX:ASIN'                                         'B00005ARS7'
'TXXX:Acoustid Id'                                  'ddbb17cb-d4be-4497-b052-c84bc0cfd4a7'
'TXXX:BARCODE'                                      '044001393822'
'TXXX:CATALOGNUMBER'                                '013 938-2'
'TXXX:MusicBrainz Album Artist Id'                  '321531fc-db73-4ffa-a959-61a61a2908c1'
'TXXX:MusicBrainz Album Id'                         'd23bf7ea-8771-4e43-ab93-0647d4c9df1b'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '321531fc-db73-4ffa-a959-61a61a2908c1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['hip hop', 'funk / soul', 'rnb/swing', 'neo soul']
'TXXX:lastfmtags'                                   ['rnb', 'jazz', 'female vocalists', 'soul', 'neo soul']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.432970'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd13a6968-e9ff-4709-bb00-b6ba8cbf218e')

========================== row from database ==========================
                                              'id'  792342
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Erika Baduh/eb01.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  369
                                           'genre'  funk or soul
                                        'filesize'  8880387
                                           'mtime'  1622757747
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Erika Baduh eb01 funk or soul
                                      'tag_artist'  Erykah Badu
                                     'tag_release'  Mama's Gun
                                       'tag_title'  Penitentiary Philosophy
                                             'bpm'  107.8
                                    'search_title'  'penitentiary':1 'philosophy':2
                                   'search_artist'  'badu':2 'erykah':1
                                  'search_release'  'gun':4 'mama':1 'mamas':3 's':2
                                     'search_rest'  'baduh':5 'eb01':6 'erika':4 'funk':2 'or':7 'soul':3 'swing':1
                                    'search_combo'  'badu':4B 'baduh':13 'eb01':14 'erika':12 'erykah':3B 'funk':10 'gun':8C 'mama':5C 'mamas':7C 'or':15 'penitentiary':1A 'philosophy':2A 's':6C 'soul':11 'swing':9
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'jazz', 'female vocalists', 'soul', 'neo soul']
                                        'tag_date'  2001
                                     'discogstags'  ['hip hop', 'funk / soul', 'rnb/swing', 'neo soul']

============================== file details ==============================
                                           'mtime'  1622757747.4471834  (2021-06-04 00:02:27)
                             'size'  8880387