======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '141'
                                          'artist'  'Jack Dupree'
                                     'text_people'  ''
                                         'release'  'You Better Bellieve It !'
                                           'title'  'Champion Jack Dupree - Lollipop Baby'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'piano', 'classic blues', 'all', 'boogie']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '.'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '119.829'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Rockin'
'COMM:MusicMatch_Mood:eng'                          'Rockin'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=255, count=0)
'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:{\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x17\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'PRIV:WM/Mood:R\x00o\x00c\x00k\x00i\x00n\x00\x00\x00'  PRIV(owner='WM/Mood', data=b'R\x00o\x00c\x00k\x00i\x00n\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'You Better Bellieve It !'
'TBPM' (BPM (beats per minute))                     '119.829'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Champion Jack Dupree - Lollipop Baby'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Dupree'
'TRCK' (Track number/Position in set)               '.'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'piano', 'classic blues', 'all', 'boogie']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.500939'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://rollhotrodroll.blogspot.nl/')

========================== row from database ==========================
                                              'id'  735905
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Champion Jack Dupree - Lollipop Baby (Vik, 1957; wr. Lucille Dupree & Mary Smith).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  141
                                           'genre'  set-th-candy
                                        'filesize'  3703416
                                           'mtime'  1620343111
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets (Vik, 1957; wr. Lucille & Mary Smith) set th candy
                                      'tag_artist'  Jack Dupree
                                     'tag_release'  You Better Bellieve It !
                                       'tag_title'  Champion Jack Dupree - Lollipop Baby
                                             'bpm'  119.829
                                    'search_title'  'baby':5 'champion':1 'dupree':3 'jack':2 'lollipop':4
                                   'search_artist'  'dupree':2 'jack':1
                                  'search_release'  'bellieve':3 'better':2 'it':4 'you':1
                                     'search_rest'  '1957':8,9 'candy':18 'country':4 'exotica':2 'jazz':1 'lucille':12 'mary':13 'oldies':3 'set':16 'smith':14,15 'sweets':5 'th':17 'vik':6,7 'wr':10,11
                                    'search_combo'  '1957':19,20 'baby':5A 'bellieve':10C 'better':9C 'candy':29 'champion':1A 'country':15 'dupree':3A,7B 'exotica':13 'it':11C 'jack':2A,6B 'jazz':12 'lollipop':4A 'lucille':23 'mary':24 'oldies':14 'set':27 'smith':25,26 'sweets':16 'th':28 'vik':17,18 'wr':21,22 'you':8C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'piano', 'classic blues', 'all', 'boogie']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343110.5099773  (2021-05-07 01:18:30)
                             'size'  3703416