======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '183'
                                          'artist'  'Frau Zwiebel & Herr Schapira'
                                     'text_people'  ''
                                         'release'  'Favorite 1-29062'
                                           'title'  "Gekommen Ist Die Zeit (Aus ' Barkochba ')"
                                           '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-3', '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'  '115.326'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Favorite 1-29062'
'TBPM' (BPM (beats per minute))                     '115.326'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1906'
'TIT2' (Title/songname/content description)         "Gekommen Ist Die Zeit (Aus ' Barkochba ')"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Frau Zwiebel & Herr Schapira'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.55 dB'
'TXXX:replaygain_track_peak'                        '0.468825'

========================== row from database ==========================
                                              'id'  1511331
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1906/Frau Zwiebel & Herr Schapira - Gekommen Ist Die Zeit (Aus _ Barkochba _) 23-3-1906.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  183
                                           'genre'  prerock-unsorted
                                        'filesize'  3671858
                                           'mtime'  1621697649
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1906 _ _) 23 3 1906 prerock unsorted
                                      'tag_artist'  Frau Zwiebel & Herr Schapira
                                     'tag_release'  Favorite 1-29062
                                       'tag_title'  Gekommen Ist Die Zeit (Aus ' Barkochba ')
                                             'bpm'  115.326
                                    'search_title'  'aus':5,6 'barkochba':7 'die':3 'gekommen':1 'ist':2 'zeit':4
                                   'search_artist'  'frau':1 'herr':3 'schapira':4 'zwiebel':2
                                  'search_release'  '1':2 '129062':4 '29062':3 'favorite':1
                                     'search_rest'  '00oldiepop':5 '1906':6 '23':7 '3':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':20 '1':13C '129062':15C '1906':21 '23':22 '29062':14C '3':23 'aus':5A,6A 'barkochba':7A 'country':19 'die':3A 'exotica':17 'favorite':12C 'frau':8B 'gekommen':1A 'herr':10B 'ist':2A 'jazz':16 'oldies':18 'prerock':24 'schapira':11B 'unsorted':25 'zeit':4A 'zwiebel':9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1906
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697649.1603007  (2021-05-22 17:34:09)
                             'size'  3671858