======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '204'
                                          'artist'  'Herr Schilling'
                                     'text_people'  ''
                                         'release'  'Favorite 1-25117'
                                           'title'  "Chave (aus ' Jud In Rumänien ')"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1906'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '102.696'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Favorite 1-25117'
'TBPM' (BPM (beats per minute))                     '102.696'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1906'
'TIT2' (Title/songname/content description)         "Chave (aus ' Jud In Rumänien ')"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Herr Schilling'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.19 dB'
'TXXX:replaygain_track_peak'                        '0.567252'

========================== row from database ==========================
                                              'id'  1514986
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1906/Herr Schilling - Chave (aus _ Jud In Rumänien_ ) 23-3-1906.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  204
                                           'genre'  prerock-unsorted
                                        'filesize'  4097851
                                           'mtime'  1621697655
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1906 _ Rumänien_ 23 3 1906 prerock unsorted
                                      'tag_artist'  Herr Schilling
                                     'tag_release'  Favorite 1-25117
                                       'tag_title'  Chave (aus ' Jud In Rumänien ')
                                             'bpm'  102.696
                                    'search_title'  'aus':2,3 'chave':1 'in':5 'jud':4 'rumanien':6,7
                                   'search_artist'  'herr':1 'schilling':2
                                  'search_release'  '1':2 '125117':4 '25117':3 'favorite':1
                                     'search_rest'  '00oldiepop':5 '1906':6 '23':9 '3':10 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':11 'rumanien':7,8 'unsorted':12
                                    'search_combo'  '00oldiepop':18 '1':11C '125117':13C '1906':19 '23':22 '25117':12C '3':23 'aus':2A,3A 'chave':1A 'country':17 'exotica':15 'favorite':10C 'herr':8B 'in':5A 'jazz':14 'jud':4A 'oldies':16 'prerock':24 'rumanien':6A,7A,20,21 'schilling':9B 'unsorted':25
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1906
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697654.8450553  (2021-05-22 17:34:14)
                             'size'  4097851