======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '180'
                                          'artist'  'Jean Sablon'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Un Amour Comme Le Notre (+ Germaine Sablon & Django Reinhardt)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'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-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chanson', 'all', 'chanson francaise', 'chanson française', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'prerock-french'
                                             'bpm'  '104.9'
                                             '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'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TBPM' (BPM (beats per minute))                     '104.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-french'
'TDRC' (Recording time)                             '1935-05-17'
'TIT2' (Title/songname/content description)         'Un Amour Comme Le Notre (+ Germaine Sablon & Django Reinhardt)'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '180000'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean Sablon'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['chanson', 'all', 'chanson francaise', 'chanson française', 'french']
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.05 dB'
'TXXX:replaygain_track_peak'                        '0.756821'

========================== row from database ==========================
                                              'id'  1466345
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1935/Jean Sablon - Un Amour Comme Le Notre (+ Germaine Sablon & Django Reinhardt) 17-5-1935.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  180
                                           'genre'  prerock-french
                                        'filesize'  3643587
                                           'mtime'  1621627237
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1935 17 5 1935 prerock french
                                      'tag_artist'  Jean Sablon
                                     'tag_release'  None
                                       'tag_title'  Un Amour Comme Le Notre (+ Germaine Sablon & Django Reinhardt)
                                             'bpm'  104.9
                                    'search_title'  'amour':2 'comme':3 'django':8 'germaine':6 'le':4 'notre':5 'reinhardt':9,10 'sablon':7 'un':1
                                   'search_artist'  'jean':1 'sablon':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1935':6 '5':7 'country':4 'exotica':2 'french':9 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':17 '1935':18 '5':19 'amour':2A 'comme':3A 'country':16 'django':8A 'exotica':14 'french':21 'germaine':6A 'jazz':13 'jean':11B 'le':4A 'notre':5A 'oldies':15 'prerock':20 'reinhardt':9A,10A 'sablon':7A,12B 'un':1A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', '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-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['chanson', 'all', 'chanson francaise', 'chanson française', 'french']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627237.1815636  (2021-05-21 22:00:37)
                             'size'  3643587