======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '298'
                                          'artist'  'Obermaneken'
                                     'text_people'  ''
                                         'release'  'Магнетизм'
                                           'title'  'kto tam'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['russian', 'new wave', 'russia 90th decadance', 'avantgarde', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '10'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-russia'
                                             'bpm'  '95.259'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '7D0A680A'
'COMM:ID3v1 Comment:XXX'                            '7D0A680A'
'TALB' (Album/Movie/Show title)                     'Магнетизм'
'TBPM' (BPM (beats per minute))                     '95.259'
'TCON' (Content type, a.k.a. Genre)                 'loc-russia'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'kto tam'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Obermaneken'
'TRCK' (Track number/Position in set)               '01/10'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.714708'

========================== row from database ==========================
                                              'id'  849264
                                            'path'  /data/Music/Bulk/00localcharacter/Obermaneken/Магнетизм_(2000)/01 - kto tam.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  298
                                           'genre'  loc-russia
                                        'filesize'  7169581
                                           'mtime'  1621695800
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Магнетизм_(2000) 01 loc russia
                                      'tag_artist'  Obermaneken
                                     'tag_release'  Магнетизм
                                       'tag_title'  kto tam
                                             'bpm'  95.259
                                    'search_title'  'kto':1 'tam':2
                                   'search_artist'  'obermaneken':1
                                  'search_release'  'magnetizm':2 'магнетизм':1
                                     'search_rest'  '2000':2,4,6,8 'loc':9 'magnetizm':5,7 'russia':10 'магнетизм':1,3
                                    'search_combo'  '2000':7,9,11,13 'kto':1A 'loc':14 'magnetizm':5C,10,12 'obermaneken':3B 'russia':15 'tam':2A 'магнетизм':4C,6,8
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['russian', 'new wave', 'russia 90th decadance', 'avantgarde', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695800.0011964  (2021-05-22 17:03:20)
                             'size'  7169581