======================== unified (from filesystem) ========================
                                         'bitrate'  '167.898'
                                        'duration'  '328'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'c&cra-chicajo-hellmarchmixelectronica'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '120.327'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '120.327'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TIT2' (Title/songname/content description)         'c&cra-chicajo-hellmarchmixelectronica'
'TKEY' (Initial key)                                '7A'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.22 dB'
'TXXX:replaygain_track_peak'                        '0.845339'

========================== row from database ==========================
                                              'id'  1109774
                                            'path'  /data/Music/Bulk/0soundtrack/Game Music/c&cra-chicajo-hellmarchmixelectronica.mp3
                                         'working'  None
                                         'bitrate'  167
                                    'duration_sec'  328
                                           'genre'  soundtrack-game
                                        'filesize'  6895622
                                           'mtime'  1620333039
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Game Music soundtrack game
                                      'tag_artist'  Various
                                     'tag_release'  None
                                       'tag_title'  c&cra-chicajo-hellmarchmixelectronica
                                             'bpm'  120.327
                                    'search_title'  'c':1 'ccrachicajohellmarchmixelectronica':5 'chicajo':3 'cra':2 'hellmarchmixelectronica':4
                                   'search_artist'  'various':1
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 'game':2 'music':3 'soundtrack':4
                                    'search_combo'  '0soundtrack':6 'c':1A 'ccrachicajohellmarchmixelectronica':5A 'chicajo':3A 'cra':2A 'game':7 'hellmarchmixelectronica':4A 'music':8 'soundtrack':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333039.3683813  (2021-05-06 22:30:39)
                             'size'  6895622