======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '136'
                                          'artist'  'Jacky Noguez & His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Ciao, Ciao Bambina (Chiow, Chiow, Bambeena)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '136.643'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-171 POS 24'
'COMM:ID3v1 Comment:XXX'                            '59-171 POS 24'
'TBPM' (BPM (beats per minute))                     '136.643'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Ciao, Ciao Bambina (Chiow, Chiow, Bambeena)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jacky Noguez & 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:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.481524'

========================== row from database ==========================
                                              'id'  1435635
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-171 - Jacky Noguez & His Orchestra - Ciao, Ciao Bambina (Chiow, Chiow, Bambeena).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  136
                                           'genre'  prerock-swing
                                        'filesize'  5477210
                                           'mtime'  1620562669
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 171 prerock swing
                                      'tag_artist'  Jacky Noguez & His Orchestra
                                     'tag_release'  None
                                       'tag_title'  Ciao, Ciao Bambina (Chiow, Chiow, Bambeena)
                                             'bpm'  136.643
                                    'search_title'  'bambeena':7,8 'bambina':3 'chiow':4,5,6 'ciao':1,2
                                   'search_artist'  'his':3 'jacky':1 'noguez':2 'orchestra':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '171':8 '1959':6 '59':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'swing':10
                                    'search_combo'  '00oldiepop':17 '171':20 '1959':18 '59':19 'bambeena':7A,8A 'bambina':3A 'chiow':4A,5A,6A 'ciao':1A,2A 'country':16 'exotica':14 'his':11B 'jacky':9B 'jazz':13 'noguez':10B 'oldies':15 'orchestra':12B 'prerock':21 'swing':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562668.965737  (2021-05-09 14:17:48)
                             'size'  5477210