======================== unified (from filesystem) ========================
                                         'bitrate'  '165.488'
                                        'duration'  '918'
                                          'artist'  'Ravel M.'
                                     'text_people'  ''
                                         'release'  'Berliner Philharmoniker - Herbert Von Karajan'
                                           'title'  'Daphnis et Chloé - Fragments symphoniques. 2eme série'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', "
 "'q-busy-2', 'q-grit-2', 'q-play-3', 'Q-OLDST-1', 'q-chart-3', 'q-drums-2', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['classical', 'impressionist', 'french', 'composer', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '145.7'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:Comment:XXX'                                  'Berliner Philharmoniker'
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00:\x01\x06\x00\x10\x01\x00\x00\x00\x00!\x00\x10\x02\x00\x00\x01\x1e\\\x00\x10\x03\x00\x00\x01\xb5\xd3\x00\x10\x04\x00\x00\x02#\x1a\x00\x10\x05\x00\x00\x02\xaf\xba\x00\x10\x06\x00\x00\x03\xbe#\x00\x10\xaa\x00\x00\x04k\x93')
'TALB' (Album/Movie/Show title)                     'Berliner Philharmoniker - Herbert Von Karajan'
'TBPM' (BPM (beats per minute))                     '145.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDRL' (Release time)                               '1966'
'TENC' (Encoded by)                                 'Greg'
'TIT2' (Title/songname/content description)         'Daphnis et Chloé - Fragments symphoniques. 2eme série'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ravel M.'
'TRCK' (Track number/Position in set)               '5'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classical', 'impressionist', 'french', 'composer', 'instrumental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.59 dB'
'TXXX:replaygain_track_peak'                        '0.785040'

========================== row from database ==========================
                                              'id'  1214141
                                            'path'  /data/Music/Bulk/00instruments-classical/Ravel M. - 05 - Daphnis et Chlo_ - Fragments symphoniques. 2eme s_rie.mp3
                                         'working'  None
                                         'bitrate'  165
                                    'duration_sec'  918
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  18998675
                                           'mtime'  1620561764
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical 05 Chlo_ s_rie prerock classical or classical instruments
                                      'tag_artist'  Ravel M.
                                     'tag_release'  Berliner Philharmoniker - Herbert Von Karajan
                                       'tag_title'  Daphnis et Chloé - Fragments symphoniques. 2eme série
                                             'bpm'  145.7
                                    'search_title'  '2eme':8 'chloe':3,4 'daphnis':1 'et':2 'fragments':5 'serie':9,10 'symphoniques':6,7
                                   'search_artist'  'm':2,3 'ravel':1
                                  'search_release'  'berliner':1 'herbert':3 'karajan':5 'philharmoniker':2 'von':4
                                     'search_rest'  '00instruments':1 'chlo':3 'classical':2 'instruments':8 'or':7 'prerock':6 'rie':5 's':4
                                    'search_combo'  '00instruments':19 '2eme':8A 'berliner':14C 'chlo':21 'chloe':3A,4A 'classical':20 'daphnis':1A 'et':2A 'fragments':5A 'herbert':16C 'instruments':26 'karajan':18C 'm':12B,13B 'or':25 'philharmoniker':15C 'prerock':24 'ravel':11B 'rie':23 's':22 'serie':9A,10A 'symphoniques':6A,7A 'von':17C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'impressionist', 'french', 'composer', 'instrumental']
                                        'tag_date'  1966
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561763.894797  (2021-05-09 14:02:43)
                             'size'  18998675