======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '187'
                                          'artist'  'Kaki King'
                                     'text_people'  ''
                                         'release'  'Dreaming of Revenge'
                                           'title'  'Sad American'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-4', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'acoustic', 'indie', 'female vocalists', 'guitar']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '11'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic;mi-guitar-acoustic'
                                             'bpm'  '115.326'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000338 0000039A 00000B8E 00000C86 00029855 0002230E 00007539 0000717D '
 '00004E20 000222F7')
'TALB' (Album/Movie/Show title)                     'Dreaming of Revenge'
'TBPM' (BPM (beats per minute))                     '115.326'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'mi-guitar-acoustic']
'TDRC' (Recording time)                             '2008-03-04'
'TIT2' (Title/songname/content description)         'Sad American'
'TKEY' (Initial key)                                '11B'
'TLAN' (Language(s))                                'eng'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Kaki King'
'TPE2' (Band/orchestra/accompaniment)               'Kaki King'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Velour Recordings'
'TRCK' (Track number/Position in set)               '3/11'
'TSRC' (ISRC (international standard recording code))  'USVR40800403'
'TXXX:ALBUMARTISTSORT'                              'King, Kaki'
'TXXX:ASIN'                                         'B0013K6WOO'
'TXXX:BARCODE'                                      '687480080427'
'TXXX:CATALOGNUMBER'                                'VEL-0804'
'TXXX:MusicBrainz Album Artist Id'                  '451f8f16-990a-412c-ab3a-b61e5d265b55'
'TXXX:MusicBrainz Album Id'                         'edf6567c-aa6d-422e-9a40-8a33629251e4'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '451f8f16-990a-412c-ab3a-b61e5d265b55'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['instrumental', 'acoustic', 'indie', 'female vocalists', 'guitar']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.56 dB'
'TXXX:replaygain_track_peak'                        '0.476756'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'76314c42-67fd-4067-9ea2-743b797f4fe2')

========================== row from database ==========================
                                              'id'  1313032
                                            'path'  /data/Music/Bulk/00poprockelectronic/Kaki King/(2008) - Dreaming of Revenge/03 Sad American.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  187
                                           'genre'  electronic;mi-guitar-acoustic
                                        'filesize'  4557780
                                           'mtime'  1636914090
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic (2008) 03 electronic;mi guitar acoustic
                                      'tag_artist'  Kaki King
                                     'tag_release'  Dreaming of Revenge
                                       'tag_title'  Sad American
                                             'bpm'  115.326
                                    'search_title'  'american':2 'sad':1
                                   'search_artist'  'kaki':1 'king':2
                                  'search_release'  'dreaming':1 'of':2 'revenge':3
                                     'search_rest'  '00poprockelectronic':1 '2008':2,3 'acoustic':9 'electronic':4,6 'guitar':8 'mi':5,7
                                    'search_combo'  '00poprockelectronic':8 '2008':9,10 'acoustic':16 'american':2A 'dreaming':5C 'electronic':11,13 'guitar':15 'kaki':3B 'king':4B 'mi':12,14 'of':6C 'revenge':7C 'sad':1A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'acoustic', 'indie', 'female vocalists', 'guitar']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636914090.1966355  (2021-11-14 19:21:30)
                             'size'  4557780