======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '151'
                                          'artist'  'Tony Murena Et Son Ensemble'
                                     'text_people'  ''
                                         'release'  'Accordeon: Musette / Swing / Paris 1913-1941'
                                           'title'  'nostalgia gitana'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['schellack schatz', 'all', 'jazz', 'akkordeon', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '23'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'prerock-jb'
                                             'bpm'  '102.437'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '0'
'COMM:ID3v1 Comment:XXX'                            '0'
'TALB' (Album/Movie/Show title)                     'Accordeon: Musette / Swing / Paris 1913-1941'
'TBPM' (BPM (beats per minute))                     '102.437'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'nostalgia gitana'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tony Murena Et Son Ensemble'
'TRCK' (Track number/Position in set)               '23'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['schellack schatz', 'all', 'jazz', 'akkordeon', 'swing']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.72 dB'
'TXXX:replaygain_track_peak'                        '0.469119'

========================== row from database ==========================
                                              'id'  1329902
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/1.04. Tony Murena Nostalgia Gitana.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  151
                                           'genre'  prerock-jb
                                        'filesize'  3639498
                                           'mtime'  1630249717
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 1.04. Nostalgia Gitana prerock jb
                                      'tag_artist'  Tony Murena Et Son Ensemble
                                     'tag_release'  Accordeon: Musette / Swing / Paris 1913-1941
                                       'tag_title'  nostalgia gitana
                                             'bpm'  102.437
                                    'search_title'  'gitana':2 'nostalgia':1
                                   'search_artist'  'ensemble':5 'et':3 'murena':2 'son':4 'tony':1
                                  'search_release'  '1913':6 '19131941':8 '1941':7 'accordeon':1,2 'musette':3 'paris':5 'swing':4
                                     'search_rest'  '00poprockelectronic':1 '04':8 '1':7 '104':9 'files':5,6 'gitana':11 'jb':13 'loose':3,4 'nostalgia':10 'prerock':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':16 '04':23 '1':22 '104':24 '1913':13C '19131941':15C '1941':14C 'accordeon':8C,9C 'ensemble':7B 'et':5B 'files':20,21 'gitana':2A,26 'jb':28 'loose':18,19 'murena':4B 'musette':10C 'nostalgia':1A,25 'paris':12C 'prerock':27 'son':6B 'swing':11C 'tony':3B 'unsorted':17
                                    'tag_tracknum'  23
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['schellack schatz', 'all', 'jazz', 'akkordeon', 'swing']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630249716.669321  (2021-08-29 17:08:36)
                             'size'  3639498