======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '269'
                                          'artist'  'Der Blutharsch'
                                     'text_people'  ''
                                         'release'  'der sieg des lichtes ist des lebens heil!'
                                           'title'  'II'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-PLAY-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['dark ambient', 'industrial', 'martial industrial', 'apocalyptic folk', "
 "'neofolk']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '112.947'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'der sieg des lichtes ist des lebens heil!'
'TBPM' (BPM (beats per minute))                     '112.947'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'II'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Der Blutharsch'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dark ambient',
 'industrial',
 'martial industrial',
 'apocalyptic folk',
 'neofolk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.00 dB'
'TXXX:replaygain_track_peak'                        '0.632455'

========================== row from database ==========================
                                              'id'  1348284
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Der Blutharsch/Blutharsch, der - der sieg des lichtes ist des lebens heil!/Der Blutharsch - der sieg des lichtes ist des lebens heil! - 02 - II.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  269
                                           'genre'  electronic-ambient-dark
                                        'filesize'  6462174
                                           'mtime'  1636909949
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient Blutharsch, 02 electronic ambient dark
                                      'tag_artist'  Der Blutharsch
                                     'tag_release'  der sieg des lichtes ist des lebens heil!
                                       'tag_title'  II
                                             'bpm'  112.947
                                    'search_title'  'ii':1
                                   'search_artist'  'blutharsch':2 'der':1
                                  'search_release'  'der':1 'des':3 'heil':7 'ist':5 'lebens':6 'lichtes':4 'sieg':2
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 'ambient':6 'blutharsch':3,4 'dark':7 'electronic':5
                                    'search_combo'  '00ambient':12 '00poprockelectronic':11 'ambient':16 'blutharsch':3B,13,14 'dark':17 'der':2B,4C 'des':6C 'electronic':15 'heil':10C 'ii':1A 'ist':8C 'lebens':9C 'lichtes':7C 'sieg':5C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'industrial', 'martial industrial', 'apocalyptic folk', 'neofolk']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636909948.5378149  (2021-11-14 18:12:28)
                             'size'  6462174