======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '146'
                                          'artist'  'Muppets'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Scrooge'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'comedy', 'tv', 'fun', 'holiday']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-speech-comedy or drama'
                                             'bpm'  '97.0'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '97.0'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-speech-comedy or drama'
'TIT2' (Title/songname/content description)         'Scrooge'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Muppets'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'comedy', 'tv', 'fun', 'holiday']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.56 dB'
'TXXX:replaygain_track_peak'                        '0.741729'

========================== row from database ==========================
                                              'id'  1327339
                                            'path'  /data/Music/Bulk/00spent/Cabaret/Waldorf und  Stadler/Muppets - Scrooge.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  146
                                           'genre'  nonmusic-speech-comedy or drama
                                        'filesize'  2353024
                                           'mtime'  1637329856
                                   'redo_metaread'  0
                                        'rest_str'   00spent Cabaret Waldorf und Stadler nonmusic speech comedy or drama
                                      'tag_artist'  Muppets
                                     'tag_release'  None
                                       'tag_title'  Scrooge
                                             'bpm'  97.0
                                    'search_title'  'scrooge':1
                                   'search_artist'  'muppets':1
                                  'search_release'  
                                     'search_rest'  '00spent':1 'cabaret':2 'comedy':8 'drama':10 'nonmusic':6 'or':9 'speech':7 'stadler':5 'und':4 'waldorf':3
                                    'search_combo'  '00spent':3 'cabaret':4 'comedy':10 'drama':12 'muppets':2B 'nonmusic':8 'or':11 'scrooge':1A 'speech':9 'stadler':7 'und':6 'waldorf':5
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'comedy', 'tv', 'fun', 'holiday']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329856.0004735  (2021-11-19 14:50:56)
                             'size'  2353024