======================== unified (from filesystem) ========================
                                         'bitrate'  '190.481'
                                        'duration'  '130'
                                          'artist'  "The Burris Young 'Uns"
                                     'text_people'  ''
                                         'release'  'Metromedia 113'
                                           'title'  'Funny Papers From Bubblegum'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '122.585'
                                             'key'  '11A'
                                        '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')
'PRIV:AverageLevel:{\x15\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x15\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Metromedia 113'
'TBPM' (BPM (beats per minute))                     '122.585'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Funny Papers From Bubblegum'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               "The Burris Young 'Uns"
'TPE2' (Band/orchestra/accompaniment)               "The Burris Young 'Uns"
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.48 dB'
'TXXX:replaygain_track_peak'                        '0.426895'

========================== row from database ==========================
                                              'id'  1520169
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/The Burris Young _Uns - Funny Papers From Bubblegum.mp3
                                         'working'  None
                                         'bitrate'  190
                                    'duration_sec'  130
                                           'genre'  set-th-candy
                                        'filesize'  3107577
                                           'mtime'  1620343127
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets _Uns set th candy
                                      'tag_artist'  The Burris Young 'Uns
                                     'tag_release'  Metromedia 113
                                       'tag_title'  Funny Papers From Bubblegum
                                             'bpm'  122.585
                                    'search_title'  'bubblegum':4 'from':3 'funny':1 'papers':2
                                   'search_artist'  'burris':2 'the':1 'uns':4,5 'young':3
                                  'search_release'  '113':2 'metromedia':1
                                     'search_rest'  'candy':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'set':7 'sweets':5 'th':8 'uns':6
                                    'search_combo'  '113':11C 'bubblegum':4A 'burris':6B 'candy':20 'country':15 'exotica':13 'from':3A 'funny':1A 'jazz':12 'metromedia':10C 'oldies':14 'papers':2A 'set':18 'sweets':16 'th':19 'the':5B 'uns':8B,9B,17 'young':7B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1969
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343126.750271  (2021-05-07 01:18:46)
                             'size'  3107577