======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '253'
                                          'artist'  'I Monster'
                                     'text_people'  ''
                                         'release'  'The Autumn Midway: The Dark'
                                           'title'  'The Backseat Of My Car'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'trip hop', 'electronica', 'electronic', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-the autumn midway'
                                             'bpm'  '93.500'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:¢\x19\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xa2\x19\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Autumn Midway: The Dark'
'TBPM' (BPM (beats per minute))                     '93.500'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-the autumn midway'
'TENC' (Encoded by)                                 'Free Mp3 Wma Converter'
'TIT2' (Title/songname/content description)         'The Backseat Of My Car'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'I Monster'
'TRCK' (Track number/Position in set)               '9/10'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'trip hop', 'electronica', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.595469'

========================== row from database ==========================
                                              'id'  260717
                                            'path'  /data/Music/Bulk/0playlists/scuppernong - The Autumn Midway/09 The Backseat Of My Car.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  253
                                           'genre'  set-pl-the autumn midway
                                        'filesize'  4064583
                                           'mtime'  1620356498
                                   'redo_metaread'  0
                                        'rest_str'   0playlists scuppernong 09 set pl the autumn midway
                                      'tag_artist'  I Monster
                                     'tag_release'  The Autumn Midway: The Dark
                                       'tag_title'  The Backseat Of My Car
                                             'bpm'  93.5
                                    'search_title'  'backseat':2 'car':5 'my':4 'of':3 'the':1
                                   'search_artist'  'i':1 'monster':2
                                  'search_release'  'autumn':2 'dark':5 'midway':3,4 'the':1
                                     'search_rest'  '0playlists':1 'autumn':6 'midway':7 'pl':4 'scuppernong':2 'set':3 'the':5
                                    'search_combo'  '0playlists':13 'autumn':9C,18 'backseat':2A 'car':5A 'dark':12C 'i':6B 'midway':10C,11C,19 'monster':7B 'my':4A 'of':3A 'pl':16 'scuppernong':14 'set':15 'the':1A,8C,17
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'trip hop', 'electronica', 'electronic', 'chillout']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356498.1028264  (2021-05-07 05:01:38)
                             'size'  4064583