======================== unified (from filesystem) ========================
                                         'bitrate'  '229.475'
                                        'duration'  '316'
                                          'artist'  'FängörN'
                                     'text_people'  ''
                                         'release'  'New IV'
                                           'title'  'Таверна "Троллья Нора"'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk metal', 'viking metal', 'melodic metal', 'russian metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '119.829'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:Y \x00\x00'                      PRIV(owner='AverageLevel', data=b'Y \x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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')
'TALB' (Album/Movie/Show title)                     'New IV'
'TBPM' (BPM (beats per minute))                     '119.829'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Таверна "Троллья Нора"'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'FängörN'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['folk metal', 'viking metal', 'melodic metal', 'russian metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.69 dB'
'TXXX:replaygain_track_peak'                        '0.482356'

========================== row from database ==========================
                                              'id'  1499060
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Metal Compilation - New IV/058.FangorN - Таверна _Троллья Нора_.mp3
                                         'working'  None
                                         'bitrate'  229
                                    'duration_sec'  316
                                           'genre'  eid-metal
                                        'filesize'  9077109
                                           'mtime'  1620301276
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Metal Compilation 058.FangorN _Троллья Нора_ eid metal
                                      'tag_artist'  FängörN
                                     'tag_release'  New IV
                                       'tag_title'  Таверна "Троллья Нора"
                                             'bpm'  119.829
                                    'search_title'  'nora':8 'taverna':2 'troll':4 'trollya':6 'ya':5 'нора':7 'таверна':1 'троллья':3
                                   'search_artist'  'fangor':3,5 'fangorn':1,2 'n':4
                                  'search_release'  'iv':2 'new':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '058':5,15 '058fangor':17 '058fangorn':7 'compilation':4 'eid':14 'fangor':16 'fangorn':6 'metal':3 'n':18 'nora':13 'troll':9 'trollya':11 'ya':10 'нора':12 'троллья':8
                                    'search_combo'  '00dwimp':16 '00metal':17 '058':20,30 '058fangor':32 '058fangorn':22 'compilation':19 'eid':29 'fangor':11B,13B,31 'fangorn':9B,10B,21 'iv':15C 'metal':18 'n':12B,33 'new':14C 'nora':8A,28 'taverna':2A 'troll':4A,24 'trollya':6A,26 'ya':5A,25 'нора':7A,27 'таверна':1A 'троллья':3A,23
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['folk metal', 'viking metal', 'melodic metal', 'russian metal']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301275.8666115  (2021-05-06 13:41:15)
                             'size'  9077109