======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '117'
                                          'artist'  'Charles Gilibert'
                                     'text_people'  ''
                                         'release'  'Edison 17757'
                                           'title'  "Chanson De L' Adieu (Tosti)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', '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-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['opera', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1907'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '129.5'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Edison 17757'
'TBPM' (BPM (beats per minute))                     '129.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1907'
'TIT2' (Title/songname/content description)         "Chanson De L' Adieu (Tosti)"
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '117000'
'TPE1' (Lead performer(s)/Soloist(s))               'Charles Gilibert'
'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:discogstags'                                  ['opera', 'classical']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.08 dB'
'TXXX:replaygain_track_peak'                        '0.542279'

========================== row from database ==========================
                                              'id'  1520375
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1907/Charles Gilibert - Chanson De l_ Adieu (Tosti) 1907.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  117
                                           'genre'  prerock-unsorted
                                        'filesize'  2429012
                                           'mtime'  1621697667
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1907 l_ 1907 prerock unsorted
                                      'tag_artist'  Charles Gilibert
                                     'tag_release'  Edison 17757
                                       'tag_title'  Chanson De L' Adieu (Tosti)
                                             'bpm'  129.5
                                    'search_title'  'adieu':5 'chanson':1 'de':2 'l':3,4 'tosti':6,7
                                   'search_artist'  'charles':1 'gilibert':2
                                  'search_release'  '17757':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1907':6 'country':4 'exotica':2 'jazz':1 'l':7 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':16 '17757':11C '1907':17 'adieu':5A 'chanson':1A 'charles':8B 'country':15 'de':2A 'edison':10C 'exotica':13 'gilibert':9B 'jazz':12 'l':3A,4A,18 'oldies':14 'prerock':19 'tosti':6A,7A 'unsorted':20
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           '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-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1907
                                     'discogstags'  ['opera', 'classical']

============================== file details ==============================
                                           'mtime'  1621697666.5231802  (2021-05-22 17:34:26)
                             'size'  2429012