======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '182'
                                          'artist'  'Al Trace & His Silly Symphonists & Red Maddock'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Mairzy doats'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '186'
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '145.685'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         'Mairzy doats'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Al Trace & His Silly Symphonists & Red Maddock'
'TRCK' (Track number/Position in set)               '186'
'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'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+1.83 dB'
'TXXX:replaygain_track_peak'                        '0.475221'

========================== row from database ==========================
                                              'id'  1455728
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/186 Mairzy doats - Al Trace & His Silly Symphonists & Red Maddock (5-02-1944).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  182
                                           'genre'  prerock-unsorted
                                        'filesize'  2925737
                                           'mtime'  1621698061
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 186 (5 02 1944) prerock unsorted
                                      'tag_artist'  Al Trace & His Silly Symphonists & Red Maddock
                                     'tag_release'  None
                                       'tag_title'  Mairzy doats
                                             'bpm'  145.685
                                    'search_title'  'doats':2 'mairzy':1
                                   'search_artist'  'al':1 'his':3 'maddock':7 'red':6 'silly':4 'symphonists':5 'trace':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '186':7 '1943':6 '1944':10,11 '5':8,9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':12 'unsorted':13
                                    'search_combo'  '00oldiepop':14 '186':16 '1943':15 '1944':19,20 '5':17,18 'al':3B 'country':13 'doats':2A 'exotica':11 'his':5B 'jazz':10 'maddock':9B 'mairzy':1A 'oldies':12 'prerock':21 'red':8B 'silly':6B 'symphonists':7B 'trace':4B 'unsorted':22
                                    'tag_tracknum'  186
                                      '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-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1944
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698061.0656905  (2021-05-22 17:41:01)
                             'size'  2925737