======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '165'
                                          'artist'  'Cab Calloway & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Cab Calloway Orch'
                                           'title'  'Chinese Rhythm'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'cab calloway', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '112.947'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 10/20/34 and peaked at #6 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 10/20/34 and peaked at'
'TALB' (Album/Movie/Show title)                     'Cab Calloway Orch'
'TBPM' (BPM (beats per minute))                     '112.947'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Chinese Rhythm'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cab Calloway & His Orchestra'
'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'                                   ['blues', 'jazz', 'cab calloway', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.63 dB'
'TXXX:replaygain_track_peak'                        '0.579930'

========================== row from database ==========================
                                              'id'  1454872
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Chinese rhythm - Cab Calloway and his orchestra.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  165
                                           'genre'  prerock-swing
                                        'filesize'  1986432
                                           'mtime'  1620560431
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 rhythm and his orchestra prerock swing
                                      'tag_artist'  Cab Calloway & His Orchestra
                                     'tag_release'  Cab Calloway Orch
                                       'tag_title'  Chinese Rhythm
                                             'bpm'  112.947
                                    'search_title'  'chinese':1 'rhythm':2
                                   'search_artist'  'cab':1 'calloway':2 'his':3 'orchestra':4
                                  'search_release'  'cab':1 'calloway':2 'orch':3
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':8 'country':4 'exotica':2 'his':9 'jazz':1 'oldies':3 'orchestra':10 'prerock':11 'rhythm':7 'swing':12
                                    'search_combo'  '00oldiepop':14 '1934':15 'and':17 'cab':3B,7C 'calloway':4B,8C 'chinese':1A 'country':13 'exotica':11 'his':5B,18 'jazz':10 'oldies':12 'orch':9C 'orchestra':6B,19 'prerock':20 'rhythm':2A,16 'swing':21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['blues', 'jazz', 'cab calloway', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560430.9958007  (2021-05-09 13:40:30)
                             'size'  1986432