======================== unified (from filesystem) ========================
                                         'bitrate'  '255.692'
                                        'duration'  '178'
                                          'artist'  'Penguin Cafe Orchestra'
                                     'text_people'  ''
                                         'release'  'Broadcasting from Home'
                                           'title'  'Now Nothing'
                                           '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-PIANO-3', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'contemporary classical', 'new age', 'classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy'
                                             'bpm'  '142.708'
                                             'key'  '1B'
                                        '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))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-salon or easy'
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'Now Nothing'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Penguin Cafe Orchestra'
'TRCK' (Track number/Position in set)               '12'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicMagic Data'                              'AgEAAo7EnIC5orRzhCzhLS0tgAGF04AC6A6RoBrzgAG19qSTgAHim6v2gyKs+4ABhluAAaaxNliu6asegAHQDum/0EqAAZk+gAKAAZWSr3acxIGq7VEntb0JhYOADP/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-PIANO'                                      '3'
'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-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.834804'

========================== row from database ==========================
                                              'id'  670121
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Penguin Cafe Orchestra/Penguin Cafe Orchestra-Now nothing.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  178
                                           'genre'  prerock-jb-jazz-soft-salon or easy
                                        'filesize'  5705579
                                           'mtime'  1620533633
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country nothing prerock jb jazz soft salon or easy
                                      'tag_artist'  Penguin Cafe Orchestra
                                     'tag_release'  Broadcasting from Home
                                       'tag_title'  Now Nothing
                                             'bpm'  142.708
                                    'search_title'  'nothing':2 'now':1
                                   'search_artist'  'cafe':2 'orchestra':3 'penguin':1
                                  'search_release'  'broadcasting':1 'from':2 'home':3
                                     'search_rest'  'country':4 'easy':11 'exotica':2 'jazz':1 'jb':7 'nothing':5 'oldies':3 'or':10 'prerock':6 'salon':9 'soft':8
                                    'search_combo'  'broadcasting':6C 'cafe':4B 'country':12 'easy':19 'exotica':10 'from':7C 'home':8C 'jazz':9 'jb':15 'nothing':2A,13 'now':1A 'oldies':11 'or':18 'orchestra':5B 'penguin':3B 'prerock':14 'salon':17 'soft':16
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', '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'  1620533632.9994423  (2021-05-09 06:13:52)
                             'size'  5705579