======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '250'
                                          'artist'  'Obermaneken'
                                     'text_people'  ''
                                         'release'  'Полшестого утра'
                                           'title'  'Ptitsa, letyashchyaya'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['russian', 'new wave', 'russia 90th decadance', 'avantgarde', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '9'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-russia'
                                             'bpm'  '120.113'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '6F099809'
'COMM:ID3v1 Comment:XXX'                            '6F099809'
'TALB' (Album/Movie/Show title)                     'Полшестого утра'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 'loc-russia'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Ptitsa, letyashchyaya'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Obermaneken'
'TRCK' (Track number/Position in set)               '7/9'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.87, 192 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['russian', 'new wave', 'russia 90th decadance', 'avantgarde', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.507397'
'TXXX:tracknum'                                     '07'

========================== row from database ==========================
                                              'id'  849484
                                            'path'  /data/Music/Bulk/00localcharacter/Obermaneken/Полшестого_утра_(1995)/07 - Ptitsa, letyashchyaya.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  250
                                           'genre'  loc-russia
                                        'filesize'  6009124
                                           'mtime'  1621695802
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Полшестого_утра_(1995) 07 loc russia
                                      'tag_artist'  Obermaneken
                                     'tag_release'  Полшестого утра
                                       'tag_title'  Ptitsa, letyashchyaya
                                             'bpm'  120.113
                                    'search_title'  'letyashchyaya':3 'ptitsa':1,2
                                   'search_artist'  'obermaneken':1
                                  'search_release'  'polshestogo':2 'utra':4 'полшестого':1 'утра':3
                                     'search_rest'  '1995':3,6,9,12 'loc':13 'polshestogo':7,10 'russia':14 'utra':8,11 'полшестого':1,4 'утра':2,5
                                    'search_combo'  '1995':11,14,17,20 'letyashchyaya':3A 'loc':21 'obermaneken':4B 'polshestogo':6C,15,18 'ptitsa':1A,2A 'russia':22 'utra':8C,16,19 'полшестого':5C,9,12 'утра':7C,10,13
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'new wave', 'russia 90th decadance', 'avantgarde', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695802.4463215  (2021-05-22 17:03:22)
                             'size'  6009124