======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '158'
                                          'artist'  'Spike Jones and his City Slickers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Der Füerer's Face"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fun', 'american', 'comedy', 'jazzysxmas', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1942'
                                        'comments'  ''
                                           'genre'  'prerock-comedy'
                                             'bpm'  '144.6'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '144.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-comedy'
'TDRC' (Recording time)                             '1942-07-28'
'TIT2' (Title/songname/content description)         "Der Füerer's Face"
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '158000'
'TPE1' (Lead performer(s)/Soloist(s))               'Spike Jones and his City Slickers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fun', 'american', 'comedy', 'jazzysxmas', 'jazz']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.325990'

========================== row from database ==========================
                                              'id'  1508038
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1942/Spike Jones and his City Slickers - Der Füerer_s Face 28-7-1942.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  158
                                           'genre'  prerock-comedy
                                        'filesize'  3207088
                                           'mtime'  1636913774
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1942 Füerer_s 28 7 1942 prerock comedy
                                      'tag_artist'  Spike Jones and his City Slickers
                                     'tag_release'  None
                                       'tag_title'  Der Füerer's Face
                                             'bpm'  144.6
                                    'search_title'  'der':1 'face':8 'fuerer':2,5 'fuerers':4,7 's':3,6
                                   'search_artist'  'and':3 'city':5 'his':4 'jones':2 'slickers':6 'spike':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1942':6 '28':11 '7':12 'comedy':14 'country':4 'exotica':2 'fuerer':7,9 'jazz':1 'oldies':3 'prerock':13 's':8,10
                                    'search_combo'  '00oldiepop':19 '1942':20 '28':25 '7':26 'and':11B 'city':13B 'comedy':28 'country':18 'der':1A 'exotica':16 'face':8A 'fuerer':2A,5A,21,23 'fuerers':4A,7A 'his':12B 'jazz':15 'jones':10B 'oldies':17 'prerock':27 's':3A,6A,22,24 'slickers':14B 'spike':9B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['fun', 'american', 'comedy', 'jazzysxmas', 'jazz']
                                        'tag_date'  1942
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913774.4561667  (2021-11-14 19:16:14)
                             'size'  3207088