======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '180'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'classic 70s porno music'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'Q-GRIT-2', 'Q-BUSY-2', 'q-bass-1', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-SYN-1', 'Q-PLAY-3', 'Q-CHART-1', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-porngroove'
                                             'bpm'  '91.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'classic 70s porno music'
'TBPM' (BPM (beats per minute))                     '91.3'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-porngroove'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '1'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.25 dB'
'TXXX:replaygain_track_peak'                        '0.601827'

========================== row from database ==========================
                                              'id'  1501414
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/xxx classic 70s porno music/classic 70_s porn music - moaning.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  180
                                           'genre'  set-pl-porngroove
                                        'filesize'  2886436
                                           'mtime'  1638551219
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy xxx 70_s moaning set pl porngroove
                                      'tag_artist'  [unknown]
                                     'tag_release'  classic 70s porno music
                                       'tag_title'  None
                                             'bpm'  91.3
                                    'search_title'  None
                                   'search_artist'  'unknown':1,2
                                  'search_release'  '70s':2 'classic':1 'music':4 'porno':3
                                     'search_rest'  '70':3 'classicprogpsy':1 'moaning':5 'pl':7 'porngroove':8 's':4 'set':6 'xxx':2
                                    'search_combo'  '70':9 '70s':4C 'classic':3C 'classicprogpsy':7 'moaning':11 'music':6C 'pl':13 'porngroove':14 'porno':5C 's':10 'set':12 'unknown':1B,2B 'xxx':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-1', 'q-drums-3', 'q-piano-1', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638551219.060441  (2021-12-03 18:06:59)
                             'size'  2886436