======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '134'
                                          'artist'  'Maurice Larcange & his Accordions'
                                     'text_people'  'André Hornez/Henri Betti/Jerry Seelen'
                                         'release'  'Avec Moi A Paris'
                                           'title'  "C'est Si Bon"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'mi-accordeon'
                                             'bpm'  '103.115'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionID:\x07Ám\x7fò¬´C\x8d\xad¹\x05äpf\x80'  PRIV(owner='WM/WMCollectionID', data=b'\x07\xc1m\x7f\xf2\xac\xb4C\x8d\xad\xb9\x05\xe4pf\x80')
'PRIV:WM/WMContentID:\x18Ë>ó5÷rJ\x98s\x81w3&\x93Í'  PRIV(owner='WM/WMContentID', data=b'\x18\xcb>\xf35\xf7rJ\x98s\x81w3&\x93\xcd')
'TALB' (Album/Movie/Show title)                     'Avec Moi A Paris'
'TBPM' (BPM (beats per minute))                     '103.115'
'TCOM' (Composer)                                   'André Hornez/Henri Betti/Jerry Seelen'
'TCON' (Content type, a.k.a. Genre)                 'mi-accordeon'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         "C'est Si Bon"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Maurice Larcange'
'TPE2' (Band/orchestra/accompaniment)               'Maurice Larcange & his Accordions'
'TPUB' (Publisher)                                  'London Phase 4'
'TRCK' (Track number/Position in set)               '11'
'TSSE' (Software/Hardware and settings used for encoding)  ('Audiograbber 1.83.01, LAME dll 3.97, VBR 0 (Default method), Stereo, High '
 'quality')
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+5.65 dB'
'TXXX:replaygain_track_peak'                        '0.436491'

========================== row from database ==========================
                                              'id'  1505922
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Accordeón alegre/11 Maurice Larcange - C_est Si Bon.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  134
                                           'genre'  mi-accordeon
                                        'filesize'  5368333
                                           'mtime'  1620528232
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french Accordeón alegre 11 C_est mi accordeon
                                      'tag_artist'  Maurice Larcange & his Accordions
                                     'tag_release'  Avec Moi A Paris
                                       'tag_title'  C'est Si Bon
                                             'bpm'  103.115
                                    'search_title'  'bon':5 'c':1 'cest':3 'est':2 'si':4
                                   'search_artist'  'accordions':4 'his':3 'larcange':2 'maurice':1
                                  'search_release'  'a':3 'avec':1 'moi':2 'paris':4
                                     'search_rest'  '00french':4 '00mid':1 'accordeon':5,6 'alegre':7 'c':8 'est':9 'europe':3 'mi':10 'north':2
                                    'search_combo'  '00french':17 '00mid':14 'a':12C 'accordeon':18,19 'accordions':9B 'alegre':20 'avec':10C 'bon':5A 'c':1A,21 'cest':3A 'est':2A,22 'europe':16 'his':8B 'larcange':7B 'maurice':6B 'mi':23 'moi':11C 'north':15 'paris':13C 'si':4A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1962
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528232.0971391  (2021-05-09 04:43:52)
                             'size'  5368333