======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '168'
                                          'artist'  'Maurice Chevalier'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "On The Level You're A Little Devil 21-3-1919"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-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-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chanson', 'oldies', 'paris', 'chanson francaise', 'french', 'cabaret']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '142.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '142.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         "On The Level You're A Little Devil 21-3-1919"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '168000'
'TPE1' (Lead performer(s)/Soloist(s))               'Maurice Chevalier'
'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', 'oldies', 'paris', 'chanson francaise', 'french', 'cabaret']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+2.67 dB'
'TXXX:replaygain_track_peak'                        '0.578016'

========================== row from database ==========================
                                              'id'  1506728
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Maurice Chevalier - On The Level You_re A Little Devil 21-3-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  168
                                           'genre'  prerock-unsorted
                                        'filesize'  3401521
                                           'mtime'  1621629062
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly You_re prerock unsorted
                                      'tag_artist'  Maurice Chevalier
                                     'tag_release'  None
                                       'tag_title'  On The Level You're A Little Devil 21-3-1919
                                             'bpm'  142.6
                                    'search_title'  '1919':12 '21':10 '2131919':13 '3':11 'a':7 'devil':9 'level':3 'little':8 'on':1 're':5 'the':2 'you':4 'youre':6
                                   'search_artist'  'chevalier':2 'maurice':1
                                  'search_release'  
                                     'search_rest'  'prerock':4 're':3 'unsorted':5 'veryearly':1 'you':2
                                    'search_combo'  '1919':12A '21':10A '2131919':13A '3':11A 'a':7A 'chevalier':15B 'devil':9A 'level':3A 'little':8A 'maurice':14B 'on':1A 'prerock':19 're':5A,18 'the':2A 'unsorted':20 'veryearly':16 'you':4A,17 'youre':6A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['chanson', 'oldies', 'paris', 'chanson francaise', 'french', 'cabaret']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629061.612489  (2021-05-21 22:31:01)
                             'size'  3401521