======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '437'
                                          'artist'  'Jean-Luc Ponty'
                                     'text_people'  ''
                                         'release'  'King Kong'
                                           'title'  'How Would You Like To Have A Head Like That'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['fip', 'jazz fusion', 'jazz', 'instrumental', 'fusion', 'violin']"
                                     'discogstags'  "['jazz', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '133.668'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'King Kong'
'TBPM' (BPM (beats per minute))                     '133.668'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'How Would You Like To Have A Head Like That'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean-Luc Ponty'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'rock']
'TXXX:lastfmtags'                                   ['fip', 'jazz fusion', 'jazz', 'instrumental', 'fusion', 'violin']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+6.66 dB'
'TXXX:replaygain_track_peak'                        '0.207294'

========================== row from database ==========================
                                              'id'  1286918
                                            'path'  /data/Music/Bulk/00poprockelectronic/2017-01-01 Best Of Dezember 2016/Jean-Luc Ponty - How Would You Like To Have A Head Like That.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  437
                                           'genre'  prerock-jb
                                        'filesize'  17485824
                                           'mtime'  1630249709
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2017 01 01 Best Of Dezember 2016 prerock jb
                                      'tag_artist'  Jean-Luc Ponty
                                     'tag_release'  King Kong
                                       'tag_title'  How Would You Like To Have A Head Like That
                                             'bpm'  133.668
                                    'search_title'  'a':7 'have':6 'head':8 'how':1 'like':4 'that':9 'to':5 'would':2 'you':3
                                   'search_artist'  'jean':1 'jeanluc':3 'luc':2 'ponty':4
                                  'search_release'  'king':1 'kong':2
                                     'search_rest'  '00poprockelectronic':1 '2016':6 '2017':2 'best':3 'dezember':5 'jb':8 'of':4 'prerock':7
                                    'search_combo'  '00poprockelectronic':16 '2016':21 '2017':17 'a':7A 'best':18 'dezember':20 'have':6A 'head':8A 'how':1A 'jb':23 'jean':10B 'jeanluc':12B 'king':14C 'kong':15C 'like':4A 'luc':11B 'of':19 'ponty':13B 'prerock':22 'that':9A 'to':5A 'would':2A 'you':3A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'jazz fusion', 'jazz', 'instrumental', 'fusion', 'violin']
                                        'tag_date'  1993
                                     'discogstags'  ['jazz', 'rock']

============================== file details ==============================
                                           'mtime'  1630249708.632139  (2021-08-29 17:08:28)
                             'size'  17485824