======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '155'
                                          'artist'  'Jean Louis Pisuisse'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Land Van Noord Scharwou 18-8-1919'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1920']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'loc-eur-netherlands'
                                             'bpm'  '97.1'
                                             'key'  '6B'
                                        '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))                     '97.1'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-netherlands'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'Land Van Noord Scharwou 18-8-1919'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '155000'
'TPE1' (Lead performer(s)/Soloist(s))               'Jean Louis Pisuisse'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   '1920'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.49 dB'
'TXXX:replaygain_track_peak'                        '0.790241'

========================== row from database ==========================
                                              'id'  1476272
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Jean Louis Pisuisse - Land Van Noord Scharwou 18-8-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  155
                                           'genre'  loc-eur-netherlands
                                        'filesize'  3181736
                                           'mtime'  1621629057
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly loc eur netherlands
                                      'tag_artist'  Jean Louis Pisuisse
                                     'tag_release'  None
                                       'tag_title'  Land Van Noord Scharwou 18-8-1919
                                             'bpm'  97.1
                                    'search_title'  '18':5 '1881919':8 '1919':7 '8':6 'land':1 'noord':3 'scharwou':4 'van':2
                                   'search_artist'  'jean':1 'louis':2 'pisuisse':3
                                  'search_release'  
                                     'search_rest'  'eur':3 'loc':2 'netherlands':4 'veryearly':1
                                    'search_combo'  '18':5A '1881919':8A '1919':7A '8':6A 'eur':14 'jean':9B 'land':1A 'loc':13 'louis':10B 'netherlands':15 'noord':3A 'pisuisse':11B 'scharwou':4A 'van':2A 'veryearly':12
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['1920']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629056.524282  (2021-05-21 22:30:56)
                             'size'  3181736