======================== unified (from filesystem) ========================
                                         'bitrate'  '259.286'
                                        'duration'  '381'
                                          'artist'  'The Prodigy'
                                     'text_people'  ''
                                         'release'  'Wind It Up (Rewound)'
                                           'title'  'Wind It Up (Rewound)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'breakbeat', 'jungle', 'happy hardcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '144.955'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'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')
'TALB' (Album/Movie/Show title)                     'Wind It Up (Rewound)'
'TBPM' (BPM (beats per minute))                     '144.955'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Wind It Up (Rewound)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'breakbeat', 'jungle', 'happy hardcore']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.835488'

========================== row from database ==========================
                                              'id'  1296556
                                            'path'  /data/Music/Bulk/00poprockelectronic/Prodigy/#singles/06. Wind It Up (1993)/04 - Wind It Up (Rewound).mp3
                                         'working'  None
                                         'bitrate'  259
                                    'duration_sec'  381
                                           'genre'  electronic-th-techno
                                        'filesize'  12357514
                                           'mtime'  1620571794
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic #singles 06. (1993) 04 electronic th techno
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Wind It Up (Rewound)
                                       'tag_title'  Wind It Up (Rewound)
                                             'bpm'  144.955
                                    'search_title'  'it':2 'rewound':4,5 'up':3 'wind':1
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'it':2 'rewound':4,5 'up':3 'wind':1
                                     'search_rest'  '00poprockelectronic':1 '06':4,5 '1993':6,7 'electronic':8 'singles':2,3 'techno':10 'th':9
                                    'search_combo'  '00poprockelectronic':13 '06':16,17 '1993':18,19 'electronic':20 'it':2A,9C 'prodigy':7B 'rewound':4A,5A,11C,12C 'singles':14,15 'techno':22 'th':21 'the':6B 'up':3A,10C 'wind':1A,8C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  1993
                                     'discogstags'  ['electronic', 'breakbeat', 'jungle', 'happy hardcore']

============================== file details ==============================
                                           'mtime'  1620571794.418996  (2021-05-09 16:49:54)
                             'size'  12357514