======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '175'
                                          'artist'  'Kilima Hawaiians'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sarina Een Kind Uit De Dessa (vocal - Mary Buisman)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['americana', 'edhits', 'myhitparade', 'myhits', 'deutsche schlager']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1941'
                                        'comments'  ''
                                           'genre'  'loc-islands-hawaii;loc-eur-netherlands;prerock-americana'
                                             'bpm'  '144.0'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '144.0'
'TCON' (Content type, a.k.a. Genre)                 ['loc-islands-hawaii', 'loc-eur-netherlands', 'prerock-americana']
'TDRC' (Recording time)                             '1941-01'
'TIT2' (Title/songname/content description)         'Sarina Een Kind Uit De Dessa (vocal - Mary Buisman)'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '175000'
'TPE1' (Lead performer(s)/Soloist(s))               'Kilima Hawaiians'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['americana', 'edhits', 'myhitparade', 'myhits', 'deutsche schlager']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.51 dB'
'TXXX:replaygain_track_peak'                        '0.636139'

========================== row from database ==========================
                                              'id'  1473951
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1941/Kilima Hawaiians - Sarina Een Kind Uit De Dessa (vocal - Mary Buisman) -1-1941.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  175
                                           'genre'  loc-islands-hawaii;loc-eur-netherlands;prerock-americana
                                        'filesize'  3592544
                                           'mtime'  1620535341
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1941 1 1941 loc islands hawaii;loc eur netherlands;prerock americana
                                      'tag_artist'  Kilima Hawaiians
                                     'tag_release'  None
                                       'tag_title'  Sarina Een Kind Uit De Dessa (vocal - Mary Buisman)
                                             'bpm'  144.0
                                    'search_title'  'buisman':10,11 'de':5 'dessa':6 'een':2 'kind':3 'mary':9 'sarina':1 'uit':4 'vocal':7,8
                                   'search_artist'  'hawaiians':2 'kilima':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1':7 '1941':6 'americana':19 'country':4 'eur':14 'exotica':2 'hawaii':10,12 'islands':9 'jazz':1 'loc':8,11,13 'netherlands':15,17 'oldies':3 'prerock':16,18
                                    'search_combo'  '00oldiepop':18 '1':20 '1941':19 'americana':32 'buisman':10A,11A 'country':17 'de':5A 'dessa':6A 'een':2A 'eur':27 'exotica':15 'hawaii':23,25 'hawaiians':13B 'islands':22 'jazz':14 'kilima':12B 'kind':3A 'loc':21,24,26 'mary':9A 'netherlands':28,30 'oldies':16 'prerock':29,31 'sarina':1A 'uit':4A 'vocal':7A,8A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['americana', 'edhits', 'myhitparade', 'myhits', 'deutsche schlager']
                                        'tag_date'  1941
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535341.4769177  (2021-05-09 06:42:21)
                             'size'  3592544