======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '357'
                                          'artist'  'Raleigh Ritchie'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Stronger Than Ever (MJ Cole Remix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', "
 "'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rnb', 'indie', 'pop', 'british', 'r&b']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '130.063'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'PRIV:AverageLevel:{\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x1c\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Stronger Than Ever (MJ Cole Remix)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Raleigh Ritchie'
'TPE2' (Band/orchestra/accompaniment)               'Raleigh Ritchie'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'indie', 'pop', 'british', 'r&b']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.30 dB'
'TXXX:replaygain_track_peak'                        '0.582020'

========================== row from database ==========================
                                              'id'  1293584
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/Raleigh Ritchie - Stronger Than Ever (MJ Cole Remix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  357
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5719120
                                           'mtime'  1620573858
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set electronic generic or radio dance
                                      'tag_artist'  Raleigh Ritchie
                                     'tag_release'  None
                                       'tag_title'  Stronger Than Ever (MJ Cole Remix)
                                             'bpm'  130.063
                                    'search_title'  'cole':6 'ever':3 'mj':4,5 'remix':7,8 'stronger':1 'than':2
                                   'search_artist'  'raleigh':1 'ritchie':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dance':7 'electronic':3 'generic':4 'or':5 'radio':6 'set':2
                                    'search_combo'  '00poprockelectronic':11 'cole':6A 'dance':17 'electronic':13 'ever':3A 'generic':14 'mj':4A,5A 'or':15 'radio':16 'raleigh':9B 'remix':7A,8A 'ritchie':10B 'set':12 'stronger':1A 'than':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'indie', 'pop', 'british', 'r&b']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573858.0313952  (2021-05-09 17:24:18)
                             'size'  5719120