======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '176'
                                          'artist'  'Leon Kalisch'
                                     'text_people'  ''
                                         'release'  'Victor 63832-b'
                                           'title'  'Druschegeschank Auf Einer Jüd. Hochzeit'
                                           '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'  '1907'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '139.083'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Victor 63832-b'
'TBPM' (BPM (beats per minute))                     '139.083'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1907'
'TIT2' (Title/songname/content description)         'Druschegeschank Auf Einer Jüd. Hochzeit'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Leon Kalisch'
'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'                        '+1.16 dB'
'TXXX:replaygain_track_peak'                        '0.471481'

========================== row from database ==========================
                                              'id'  1451712
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1907/Leon Kalisch - Druschegeschank auf einer Jüd. Hochzeit -12-1907.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  176
                                           'genre'  prerock-unsorted
                                        'filesize'  3530546
                                           'mtime'  1621697688
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1907 auf einer 12 1907 prerock unsorted
                                      'tag_artist'  Leon Kalisch
                                     'tag_release'  Victor 63832-b
                                       'tag_title'  Druschegeschank Auf Einer Jüd. Hochzeit
                                             'bpm'  139.083
                                    'search_title'  'auf':2 'druschegeschank':1 'einer':3 'hochzeit':8 'jud':4,5,6,7
                                   'search_artist'  'kalisch':2 'leon':1
                                  'search_release'  '63832':2 '63832b':4 'b':3 'victor':1
                                     'search_rest'  '00oldiepop':5 '1907':6 'auf':7 'country':4 'einer':8 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':19 '1907':20 '63832':12C '63832b':14C 'auf':2A,21 'b':13C 'country':18 'druschegeschank':1A 'einer':3A,22 'exotica':16 'hochzeit':8A 'jazz':15 'jud':4A,5A,6A,7A 'kalisch':10B 'leon':9B 'oldies':17 'prerock':23 'unsorted':24 'victor':11C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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'  ['q-chart-1', 'q-drums-1', 'q-vocals-4', 'q-other-1', 'q-busy-2', 'q-mixbeat-1', 'q-syn-1', 'q-play-2', 'q-piano-1', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1907
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697687.5162103  (2021-05-22 17:34:47)
                             'size'  3530546