======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '64'
                                          'artist'  'Oorzhak Khunashtaar-ool'
                                     'text_people'  ''
                                         'release'  'Deep In The Heart Of Tuva'
                                           'title'  'Eder-daa-bol, Etpes-daa-bol'
                                           'quals'  ("['Q-BUSY-3', 'Q-GRIT-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-MIXBEAT-1', 'Q-SYN-1', 'Q-OLDST-3', 'Q-HAP-2', 'Q-UNU-3', 'Q-PLAY-2', "
 "'Q-CHART-2', 'q-bass-4', 'q-drums-1', 'q-other-3', 'q-piano-1', "
 "'q-vocals-4']")
                                      'lastfmtags'  "['world', 'all', 'throat singing', 'tuva', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-russia-tuva'
                                             'bpm'  '99.812'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'xXx'
'TALB' (Album/Movie/Show title)                     'Deep In The Heart Of Tuva'
'TBPM' (BPM (beats per minute))                     '99.812'
'TCON' (Content type, a.k.a. Genre)                 'loc-russia-tuva'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Eder-daa-bol, Etpes-daa-bol'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Oorzhak Khunashtaar-ool'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['world', 'all', 'throat singing', 'tuva', 'folk']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_album_gain'                        '+1.35 dB'
'TXXX:replaygain_album_peak'                        '0.840378'
'TXXX:replaygain_track_gain'                        '+1.35 dB'
'TXXX:replaygain_track_peak'                        '0.840378'

========================== row from database ==========================
                                              'id'  1536365
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Deep in the Heart of Tuva ~ Cowboy Music from the Wild East/Deep in the Heart of Tuva)- 05 - oorzhak khunashtaar-ool - deep in the heart of tuva - eder-daa-bol, etpes-daa-bol.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  64
                                           'genre'  loc-russia-tuva
                                        'filesize'  1560530
                                           'mtime'  1643967906
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad in the of ~ Cowboy Music from the Wild East in the of Tuva) 05 oorzhak khunashtaar deep in the heart of tuva eder etpes loc russia tuva
                                      'tag_artist'  Oorzhak Khunashtaar-ool
                                     'tag_release'  Deep In The Heart Of Tuva
                                       'tag_title'  Eder-daa-bol, Etpes-daa-bol
                                             'bpm'  99.812
                                    'search_title'  'bol':3,7 'daa':2,6 'eder':1 'ederdaabol':4 'etpes':5 'etpesdaabol':8
                                   'search_artist'  'khunashtaar':2 'khunashtaarool':4 'ool':3 'oorzhak':1
                                  'search_release'  'deep':1 'heart':4 'in':2 'of':5 'the':3 'tuva':6
                                     'search_rest'  '1':4,5,6 'cowboy':11 'deep':20 'east':15 'eder':22 'etpes':23 'from':13 'heart':21 'in':8 'khunashtaar':19 'loc':24 'music':12 'of':10 'oorzhak':18 'russia':25 'the':9 'trad':7 'tuva':16,17 'va':1,2 'wild':14 'world':3
                                    'search_combo'  '1':22,23,24 'bol':3A,7A 'cowboy':29 'daa':2A,6A 'deep':13C,38 'east':33 'eder':1A,40 'ederdaabol':4A 'etpes':5A,41 'etpesdaabol':8A 'from':31 'heart':16C,39 'in':14C,26 'khunashtaar':10B,37 'khunashtaarool':12B 'loc':42 'music':30 'of':17C,28 'ool':11B 'oorzhak':9B,36 'russia':43 'the':15C,27 'trad':25 'tuva':18C,34,35 'va':19,20 'wild':32 'world':21
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-BUSY-3', 'Q-GRIT-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-MIXBEAT-1', 'Q-SYN-1', 'Q-OLDST-3', 'Q-HAP-2', 'Q-UNU-3', 'Q-PLAY-2', 'Q-CHART-2', 'q-bass-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4']
                                      'lastfmtags'  ['world', 'all', 'throat singing', 'tuva', 'folk']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1643967905.6506672  (2022-02-04 10:45:05)
                             'size'  1560530