======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '326'
                                          'artist'  'ERIKA'
                                     'text_people'  ''
                                         'release'  'Energy FM 104.2'
                                           'title'  'Ditto [Extended Mix]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['jrock', 'japanese music', 'jpop', 'japanese', 'j pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '134.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Energy FM 104.2'
'TBPM' (BPM (beats per minute))                     '134.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'ShpurloS'
'TIT2' (Title/songname/content description)         'Ditto [Extended Mix]'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'ERIKA'
'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'                                   ['jrock', 'japanese music', 'jpop', 'japanese', 'j pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.07 dB'
'TXXX:replaygain_track_peak'                        '0.526229'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.nowals.ru')

========================== row from database ==========================
                                              'id'  1324404
                                            'path'  /data/Music/Bulk/00poprockelectronic/Energy FM 104.2 [OLD]/ERIKA - Ditto [Extended Mix].mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  326
                                           'genre'  rock-pop
                                        'filesize'  5218176
                                           'mtime'  1678904976
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [OLD] rock pop
                                      'tag_artist'  ERIKA
                                     'tag_release'  Energy FM 104.2
                                       'tag_title'  Ditto [Extended Mix]
                                             'bpm'  134.9
                                    'search_title'  'ditto':1 'extended':2,3 'mix':4,5
                                   'search_artist'  'erika':1
                                  'search_release'  '104':3 '1042':5 '2':4 'energy':1 'fm':2
                                     'search_rest'  '00poprockelectronic':1 'old':2,3 'pop':5 'rock':4
                                    'search_combo'  '00poprockelectronic':12 '104':9C '1042':11C '2':10C 'ditto':1A 'energy':7C 'erika':6B 'extended':2A,3A 'fm':8C 'mix':4A,5A 'old':13,14 'pop':16 'rock':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']
                                      'lastfmtags'  ['jrock', 'japanese music', 'jpop', 'japanese', 'j pop']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678904976.0728905  (2023-03-15 19:29:36)
                             'size'  5218176