======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '158'
                                          'artist'  'Bert & Ernie'
                                     'text_people'  ''
                                         'release'  "'k wist niet dat je kwaad werd"
                                           'title'  'La la la'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['kids', 'sesame street', 'duets', 'brutal death metal', 'comedy', 'extreme "
 "brutal death metal']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '17'
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '97.553'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000185 000001A6 000010BE 000014ED 0000C3EB 00024053 00005676 000053CB '
 '000244DC 0000AF54')
'TALB' (Album/Movie/Show title)                     "'k wist niet dat je kwaad werd"
'TBPM' (BPM (beats per minute))                     '97.553'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'La la la'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bert & Ernie'
'TPE2' (Band/orchestra/accompaniment)               'Bert & Ernie'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/17'
'TSO2'                                              'Bert & Ernie'
'TSOP' (Performer sort order)                       'Bert & Ernie'
'TXXX:MusicBrainz Album Artist Id'                  '38f0c0f7-7984-404b-b580-cf82968eacd4'
'TXXX:MusicBrainz Album Id'                         'cb5c2128-bc81-4343-84eb-151591aab7f3'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '38f0c0f7-7984-404b-b580-cf82968eacd4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['kids',
 'sesame street',
 'duets',
 'brutal death metal',
 'comedy',
 'extreme brutal death metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.34 dB'
'TXXX:replaygain_track_peak'                        '0.675484'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'80a7dfc6-1bb6-4f77-a86b-7d37156aa8ff')

========================== row from database ==========================
                                              'id'  1525599
                                            'path'  /data/Music/Bulk/00spent/Bert en Ernie/_k Wist Niet Dat Je Kwaad Werd/07 La la la.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  158
                                           'genre'  loc-eur-netherlands
                                        'filesize'  3157752
                                           'mtime'  1621630319
                                   'redo_metaread'  0
                                        'rest_str'   00spent en _k Wist Niet Dat Je Kwaad Werd 07 loc eur netherlands
                                      'tag_artist'  Bert & Ernie
                                     'tag_release'  'k wist niet dat je kwaad werd
                                       'tag_title'  La la la
                                             'bpm'  97.553
                                    'search_title'  'la':1
                                   'search_artist'  'bert':1 'ernie':2
                                  'search_release'  'dat':5 'je':6 'k':1,2 'kwaad':7 'niet':4 'werd':8 'wist':3
                                     'search_rest'  '00spent':1 'dat':6 'en':2 'eur':11 'je':7 'k':3 'kwaad':8 'loc':10 'netherlands':12 'niet':5 'werd':9 'wist':4
                                    'search_combo'  '00spent':12 'bert':2B 'dat':8C,17 'en':13 'ernie':3B 'eur':22 'je':9C,18 'k':4C,5C,14 'kwaad':10C,19 'la':1A 'loc':21 'netherlands':23 'niet':7C,16 'werd':11C,20 'wist':6C,15
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['kids', 'sesame street', 'duets', 'brutal death metal', 'comedy', 'extreme brutal death metal']
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630319.062196  (2021-05-21 22:51:59)
                             'size'  3157752