======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '175'
                                          'artist'  'International Novelty Orchestra'
                                     'text_people'  ''
                                         'release'  'Victor 19509'
                                           'title'  'Hey Hey And Hee Hee (+ Rudy Wiedoeft)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-2', '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-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1102rh', 'spotify', 'all', '  6', ' 65t']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1924'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '101.666'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Victor 19509'
'TBPM' (BPM (beats per minute))                     '101.666'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1924'
'TIT2' (Title/songname/content description)         'Hey Hey And Hee Hee (+ Rudy Wiedoeft)'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'International Novelty Orchestra'
'TRCK' (Track number/Position in set)               '29'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['1102rh', 'spotify', 'all', '  6', ' 65t']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.95 dB'
'TXXX:replaygain_track_peak'                        '0.556308'

========================== row from database ==========================
                                              'id'  1437530
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1924/International Novelty Orchestra - Hey Hey And Hee Hee (+ Rudy Wiedoeft) 1924.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  175
                                           'genre'  prerock-swing
                                        'filesize'  3522598
                                           'mtime'  1620559880
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1924 1924 prerock swing
                                      'tag_artist'  International Novelty Orchestra
                                     'tag_release'  Victor 19509
                                       'tag_title'  Hey Hey And Hee Hee (+ Rudy Wiedoeft)
                                             'bpm'  101.666
                                    'search_title'  'and':2 'hee':3 'hey':1 'rudy':4 'wiedoeft':5,6
                                   'search_artist'  'international':1 'novelty':2 'orchestra':3
                                  'search_release'  '19509':2 'victor':1
                                     'search_rest'  '00oldiepop':5 '1924':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'swing':8
                                    'search_combo'  '00oldiepop':16 '1924':17 '19509':11C 'and':2A 'country':15 'exotica':13 'hee':3A 'hey':1A 'international':7B 'jazz':12 'novelty':8B 'oldies':14 'orchestra':9B 'prerock':18 'rudy':4A 'swing':19 'victor':10C 'wiedoeft':5A,6A
                                    'tag_tracknum'  29
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['1102rh', 'spotify', 'all', '  6', ' 65t']
                                        'tag_date'  1924
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559879.8735344  (2021-05-09 13:31:19)
                             'size'  3522598