======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '127'
                                          'artist'  'Linda Riggs'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Trash Can (King, 1964; wr. Fred Stryker)'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                     'discogstags'  "['funk / soul', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '122.363'
                                             '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))                     '122.363'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         'Trash Can (King, 1964; wr. Fred Stryker)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Linda Riggs'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.37 dB'
'TXXX:replaygain_track_peak'                        '0.267218'

========================== row from database ==========================
                                              'id'  768630
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Linda Riggs - Trash Can (King, 1964; wr. Fred Stryker).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  127
                                           'genre'  set-pl-spelling
                                        'filesize'  1530115
                                           'mtime'  1620356373
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling set pl spelling
                                      'tag_artist'  Linda Riggs
                                     'tag_release'  None
                                       'tag_title'  Trash Can (King, 1964; wr. Fred Stryker)
                                             'bpm'  122.363
                                    'search_title'  '1964':5,6 'can':2 'fred':9 'king':3,4 'stryker':10,11 'trash':1 'wr':7,8
                                   'search_artist'  'linda':1 'riggs':2
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'pl':6 'set':5 'spelling':4 'themes':3
                                    'search_combo'  '0novelty':15 '0playlists':14 '1964':5A,6A 'can':2A 'fred':9A 'king':3A,4A 'linda':12B 'pl':19 'riggs':13B 'set':18 'spelling':17 'stryker':10A,11A 'themes':16 'trash':1A 'wr':7A,8A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['funk / soul', 'blues']

============================== file details ==============================
                                           'mtime'  1620356372.60481  (2021-05-07 04:59:32)
                             'size'  1530115