======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '274'
                                          'artist'  'Francois De Roubaix'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  "l'adieu a l'antarctique"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'french', 'instrumental', '70s', 'jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '96.946'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '96.946'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         "l'adieu a l'antarctique"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Francois De Roubaix'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'french', 'instrumental', '70s', 'jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.618843'

========================== row from database ==========================
                                              'id'  1500699
                                            'path'  /data/Music/Bulk/sns/Francois De Roubaix - l_adieu a l_antarctique.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  274
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  10970089
                                           'mtime'  1621630395
                                   'redo_metaread'  0
                                        'rest_str'   sns l_adieu l_antarctique set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Francois De Roubaix
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  l'adieu a l'antarctique
                                             'bpm'  96.946
                                    'search_title'  'a':4 'adieu':2 'antarctique':6 'l':1,5 'ladieu':3 'lantarctique':7
                                   'search_artist'  'de':2 'francois':1 'roubaix':3
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'adieu':3 'antarctique':5 'l':2,4 'mor':12 'pl':7 'set':6,9,11 'shirleyspinoza':8,10 'sns':1
                                    'search_combo'  'a':4A 'adieu':2A,15 'antarctique':6A,17 'de':9B 'francois':8B 'l':1A,5A,14,16 'ladieu':3A 'lantarctique':7A 'mor':24 'pl':19 'roubaix':10B 'set':18,21,23 'shirley':11C 'shirleyspinoza':20,22 'sns':13 'spinoza':12C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'french', 'instrumental', '70s', 'jazz']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630395.1081033  (2021-05-21 22:53:15)
                             'size'  10970089