======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '416'
                                          'artist'  'DJ QUICKSILVER'
                                     'text_people'  ''
                                         'release'  'Energy FM 104.2'
                                           'title'  'Always On My Mind'
                                           '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-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trance', 'techno', 'electronic', 'dance', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '137.9'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Energy FM 104.2'
'TBPM' (BPM (beats per minute))                     '137.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TENC' (Encoded by)                                 'ShpurloS'
'TIT2' (Title/songname/content description)         'Always On My Mind'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ QUICKSILVER'
'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:lastfmtags'                                   ['trance', 'techno', 'electronic', 'dance', 'electronica']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.400767'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.nowals.ru')

========================== row from database ==========================
                                              'id'  1290025
                                            'path'  /data/Music/Bulk/00poprockelectronic/Energy FM 104.2 [OLD]/DJ QUICKSILVER - Always On My Mind.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  416
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  10004352
                                           'mtime'  1621696221
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [OLD] electronic generic or radio unsorted
                                      'tag_artist'  DJ QUICKSILVER
                                     'tag_release'  Energy FM 104.2
                                       'tag_title'  Always On My Mind
                                             'bpm'  137.9
                                    'search_title'  'always':1 'mind':4 'my':3 'on':2
                                   'search_artist'  'dj':1 'quicksilver':2
                                  'search_release'  '104':3 '1042':5 '2':4 'energy':1 'fm':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':4 'generic':5 'old':2,3 'or':6 'radio':7 'unsorted':8
                                    'search_combo'  '00poprockelectronic':12 '104':9C '1042':11C '2':10C 'always':1A 'dj':5B 'electronic':15 'energy':7C 'fm':8C 'generic':16 'mind':4A 'my':3A 'old':13,14 'on':2A 'or':17 'quicksilver':6B 'radio':18 'unsorted':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'techno', 'electronic', 'dance', 'electronica']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696220.8893347  (2021-05-22 17:10:20)
                             'size'  10004352