======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '276'
                                          'artist'  'Penguin Cafe Orchestra'
                                     'text_people'  ''
                                         'release'  'Union Cafe'
                                           'title'  'Cage Dead'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']"
                                     'discogstags'  "['electronic', 'leftfield', 'modern classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy'
                                             'bpm'  '101.513'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Union Cafe'
'TBPM' (BPM (beats per minute))                     '101.513'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-salon or easy'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Cage Dead'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Penguin Cafe Orchestra'
'TRCK' (Track number/Position in set)               '4'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicMagic Data'                              'AgEAC1TqoX+/MZzGgZ7ypFL1dAWEy4ACC+WbRD6lgIjLxoABgAH/5Kwyp7rFfoABhaiAAbcRLxHsg7D7gAGyuQqo6a2AAaGngAKAAaBWtDKd6YHC44QrX8KOhl6ACgFcm3kVAYBoxHaXx4AB+r+ss4XovX6BGobtgAGyGTRozJOghIABsnYDdNyNi4eejoACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'modern classical']
'TXXX:lastfmtags'                                   ['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.914157'

========================== row from database ==========================
                                              'id'  678278
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Penguin Cafe Orchestra/04. Cage Dead.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  276
                                           'genre'  prerock-jb-jazz-soft-salon or easy
                                        'filesize'  6645716
                                           'mtime'  1620533481
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 04. prerock jb jazz soft salon or easy
                                      'tag_artist'  Penguin Cafe Orchestra
                                     'tag_release'  Union Cafe
                                       'tag_title'  Cage Dead
                                             'bpm'  101.513
                                    'search_title'  'cage':1 'dead':2
                                   'search_artist'  'cafe':2 'orchestra':3 'penguin':1
                                  'search_release'  'cafe':2 'union':1
                                     'search_rest'  '04':5,6 'country':4 'easy':12 'exotica':2 'jazz':1 'jb':8 'oldies':3 'or':11 'prerock':7 'salon':10 'soft':9
                                    'search_combo'  '04':12,13 'cafe':4B,7C 'cage':1A 'country':11 'dead':2A 'easy':19 'exotica':9 'jazz':8 'jb':15 'oldies':10 'or':18 'orchestra':5B 'penguin':3B 'prerock':14 'salon':17 'soft':16 'union':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']
                                        'tag_date'  1993
                                     'discogstags'  ['electronic', 'leftfield', 'modern classical']

============================== file details ==============================
                                           'mtime'  1620533481.2130752  (2021-05-09 06:11:21)
                             'size'  6645716