======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '279'
                                          'artist'  'marilyn manson'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sweet Dreams (Nightmare Remix)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['industrial metal', 'alternative', 'industrial', 'metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'eid-metal-industrial'
                                             'bpm'  '92.013'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '92.013'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-industrial'
'TIT2' (Title/songname/content description)         'Sweet Dreams (Nightmare Remix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'marilyn manson'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['industrial metal', 'alternative', 'industrial', 'metal', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.61 dB'
'TXXX:replaygain_track_peak'                        '0.463901'

========================== row from database ==========================
                                              'id'  1534634
                                            'path'  /data/Music/Bulk/00poprockelectronic/marilyn manson - Sweet Dreams (Nightmare Remix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  279
                                           'genre'  eid-metal-industrial
                                        'filesize'  6703897
                                           'mtime'  1620311076
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic eid metal industrial
                                      'tag_artist'  marilyn manson
                                     'tag_release'  None
                                       'tag_title'  Sweet Dreams (Nightmare Remix)
                                             'bpm'  92.013
                                    'search_title'  'dreams':2 'nightmare':3,4 'remix':5,6 'sweet':1
                                   'search_artist'  'manson':2 'marilyn':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'industrial':4 'metal':3
                                    'search_combo'  '00poprockelectronic':9 'dreams':2A 'eid':10 'industrial':12 'manson':8B 'marilyn':7B 'metal':11 'nightmare':3A,4A 'remix':5A,6A 'sweet':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial metal', 'alternative', 'industrial', 'metal', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311075.938078  (2021-05-06 16:24:35)
                             'size'  6703897