======================== unified (from filesystem) ========================
                                         'bitrate'  '255.698'
                                        'duration'  '230'
                                          'artist'  'Penguin Cafe Orchestra'
                                     'text_people'  ''
                                         'release'  'Broadcasting from Home'
                                           'title'  'Prelude & Yodel'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy'
                                             'bpm'  '86.511'
                                             'key'  '10B'
                                        '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)                     'Broadcasting from Home'
'TBPM' (BPM (beats per minute))                     '86.511'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-salon or easy'
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'Prelude & Yodel'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Penguin Cafe Orchestra'
'TRCK' (Track number/Position in set)               '2'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicMagic Data'                              'AgEAAlPzm9iuLI8+gLbcOUq674SHGIACAW6Y0S0jgKO/24ABgAH+TKwsjd3UP4CJg0yAAanH1ba5L62lgAHXavjXwQydvJzYgAKAAZWSr3acxIGq7VEntb0JhYOADP/hmXEqq4KCyqSr5IAB+giuQpPH0mSARYSdgAGunvndw+q+vIABwXcFw+dNjTSeq4XtgAE='
'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:lastfmtags'                                   ['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+0.95 dB'
'TXXX:replaygain_track_peak'                        '0.865504'

========================== row from database ==========================
                                              'id'  678239
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Penguin Cafe Orchestra/Penguin Cafe Orchestra-Prelude _ Yodel.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  230
                                           'genre'  prerock-jb-jazz-soft-salon or easy
                                        'filesize'  7372246
                                           'mtime'  1620533634
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country _ prerock jb jazz soft salon or easy
                                      'tag_artist'  Penguin Cafe Orchestra
                                     'tag_release'  Broadcasting from Home
                                       'tag_title'  Prelude & Yodel
                                             'bpm'  86.511
                                    'search_title'  'prelude':1 'yodel':2
                                   'search_artist'  'cafe':2 'orchestra':3 'penguin':1
                                  'search_release'  'broadcasting':1 'from':2 'home':3
                                     'search_rest'  'country':4 'easy':10 'exotica':2 'jazz':1 'jb':6 'oldies':3 'or':9 'prerock':5 'salon':8 'soft':7
                                    'search_combo'  'broadcasting':6C 'cafe':4B 'country':12 'easy':18 'exotica':10 'from':7C 'home':8C 'jazz':9 'jb':14 'oldies':11 'or':17 'orchestra':5B 'penguin':3B 'prelude':1A 'prerock':13 'salon':16 'soft':15 'yodel':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10B
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533633.7849612  (2021-05-09 06:13:53)
                             'size'  7372246