======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '166'
                                          'artist'  'Melvin Van Peebles'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Sweetback Losing His Cherry'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['funk', 'soul', 'blaxploitation', 'jazz', 'personal favourites']"
                                     'discogstags'  "['funk / soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-sex'
                                             'bpm'  '135.728'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TBPM' (BPM (beats per minute))                     '135.728'
'TCON' (Content type, a.k.a. Genre)                 'set-th-sex'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         'Sweetback Losing His Cherry'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Melvin Van Peebles'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'funk / soul'
'TXXX:lastfmtags'                                   ['funk', 'soul', 'blaxploitation', 'jazz', 'personal favourites']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.63 dB'
'TXXX:replaygain_track_peak'                        '0.464054'

========================== row from database ==========================
                                              'id'  770338
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/sexy/Melvin Van Peebles - Sweetback Losing His Cherry.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  166
                                           'genre'  set-th-sex
                                        'filesize'  3993984
                                           'mtime'  1620343522
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes sexy set th sex
                                      'tag_artist'  Melvin Van Peebles
                                     'tag_release'  None
                                       'tag_title'  Sweetback Losing His Cherry
                                             'bpm'  135.728
                                    'search_title'  'cherry':4 'his':3 'losing':2 'sweetback':1
                                   'search_artist'  'melvin':1 'peebles':3 'van':2
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'set':5 'sex':7 'sexy':4 'th':6 'themes':3
                                    'search_combo'  '0novelty':9 '0playlists':8 'cherry':4A 'his':3A 'losing':2A 'melvin':5B 'peebles':7B 'set':12 'sex':14 'sexy':11 'sweetback':1A 'th':13 'themes':10 'van':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'soul', 'blaxploitation', 'jazz', 'personal favourites']
                                        'tag_date'  
                                     'discogstags'  ['funk / soul']

============================== file details ==============================
                                           'mtime'  1620343521.7555628  (2021-05-07 01:25:21)
                             'size'  3993984