======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '185'
                                          'artist'  'Cowsills'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Candy Kid (1969)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-2', 'q-other-2', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['60s', 'classic rock', 'oldies', 'rock', 'bubblegum']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-th-candy'
                                             'bpm'  '130.063'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x04\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x04\x00\x00')
'PRIV:PeakValue:!\x00\x00\x00'                      PRIV(owner='PeakValue', data=b'!\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-th-candy']
'TIT2' (Title/songname/content description)         'The Candy Kid (1969)'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cowsills'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'classic rock', 'oldies', 'rock', 'bubblegum']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '0.509713'

========================== row from database ==========================
                                              'id'  736061
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/The Cowsills - Candy Kid (From The Mission On The Bowery) (1969).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  185
                                           'genre'  prerock-jb-jazz-unsorted;set-th-candy
                                        'filesize'  2225340
                                           'mtime'  1620538097
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets (From Mission On Bowery) prerock jb jazz unsorted;set th candy
                                      'tag_artist'  Cowsills
                                     'tag_release'  None
                                       'tag_title'  The Candy Kid (1969)
                                             'bpm'  130.063
                                    'search_title'  '1969':4,5 'candy':2 'kid':3 'the':1
                                   'search_artist'  'cowsills':1
                                  'search_release'  
                                     'search_rest'  'bowery':10,11 'candy':19 'country':4 'exotica':2 'from':6,7 'jazz':1 'jb':13 'mission':8 'oldies':3 'on':9 'prerock':12 'set':15,17 'sweets':5 'th':18 'unsorted':14,16
                                    'search_combo'  '1969':4A,5A 'bowery':16,17 'candy':2A,25 'country':10 'cowsills':6B 'exotica':8 'from':12,13 'jazz':7 'jb':19 'kid':3A 'mission':14 'oldies':9 'on':15 'prerock':18 'set':21,23 'sweets':11 'th':24 'the':1A 'unsorted':20,22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'classic rock', 'oldies', 'rock', 'bubblegum']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538096.6009445  (2021-05-09 07:28:16)
                             'size'  2225340