======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '207'
                                          'artist'  'David Guetta'
                                     'text_people'  ''
                                         'release'  'Guetta Blaster'
                                           'title'  'Stay Remix (digipack limited edition only)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'house', 'club', 'electronic', 'techno']"
                                     'discogstags'  "['electronic', 'house', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '128.2'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Guetta Blaster'
'TBPM' (BPM (beats per minute))                     '128.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '2004-04-20'
'TENC' (Encoded by)                                 'ShpurloS'
'TIT2' (Title/songname/content description)         'Stay Remix (digipack limited edition only)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Guetta'
'TPE2' (Band/orchestra/accompaniment)               'David Guetta'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'house', 'tech house']
'TXXX:lastfmtags'                                   ['dance', 'house', 'club', 'electronic', 'techno']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-10.45 dB'
'TXXX:replaygain_track_peak'                        '1.269645'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.nowals.ru')

========================== row from database ==========================
                                              'id'  1325194
                                            'path'  /data/Music/Bulk/00poprockelectronic/Energy FM 104.2 [OLD]/David Guetta - Stay Remix (digipack limited edition only).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  207
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  4980614
                                           'mtime'  1621696221
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Energy FM 104.2 [OLD] electronic generic or radio unsorted
                                      'tag_artist'  David Guetta
                                     'tag_release'  Guetta Blaster
                                       'tag_title'  Stay Remix (digipack limited edition only)
                                             'bpm'  128.2
                                    'search_title'  'digipack':3,4 'edition':6 'limited':5 'only':7,8 'remix':2 'stay':1
                                   'search_artist'  'david':1 'guetta':2
                                  'search_release'  'blaster':2 'guetta':1
                                     'search_rest'  '00poprockelectronic':1 '104':4 '1042':6 '2':5 'electronic':9 'energy':2 'fm':3 'generic':10 'old':7,8 'or':11 'radio':12 'unsorted':13
                                    'search_combo'  '00poprockelectronic':13 '104':16 '1042':18 '2':17 'blaster':12C 'david':9B 'digipack':3A,4A 'edition':6A 'electronic':21 'energy':14 'fm':15 'generic':22 'guetta':10B,11C 'limited':5A 'old':19,20 'only':7A,8A 'or':23 'radio':24 'remix':2A 'stay':1A 'unsorted':25
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'club', 'electronic', 'techno']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'house', 'tech house']

============================== file details ==============================
                                           'mtime'  1621696221.0541072  (2021-05-22 17:10:21)
                             'size'  4980614