======================== unified (from filesystem) ========================
                                         'bitrate'  '176.613'
                                        'duration'  '205'
                                          'artist'  'shu-de'
                                     'text_people'  ''
                                         'release'  'voices from the distant steppe'
                                           'title'  'opei yry (a lullaby)'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'tuva', 'throat singing', 'folk', 'tuvan']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '134.110'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'done'
'COMM:Songs-DB_Custom1:XXX'                         'done'
'COMM:Songs-DB_Custom2:XXX'                         'lars'
'TALB' (Album/Movie/Show title)                     'voices from the distant steppe'
'TBPM' (BPM (beats per minute))                     '134.110'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TIT2' (Title/songname/content description)         'opei yry (a lullaby)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'shu-de'
'TPE2' (Band/orchestra/accompaniment)               'shu-de'
'TRCK' (Track number/Position in set)               '12'
'TXXX:DATE'                                         '1994'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['world', 'tuva', 'throat singing', 'folk', 'tuvan']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+6.84 dB'
'TXXX:replaygain_track_peak'                        '0.235256'

========================== row from database ==========================
                                              'id'  1401205
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/shu-de - 1994 - voices from the distant steppe/12 - opei yry (a lullaby).mp3
                                         'working'  None
                                         'bitrate'  177
                                    'duration_sec'  205
                                           'genre'  loc-asia
                                        'filesize'  4564864
                                           'mtime'  1652397825
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 1994 12 loc asia
                                      'tag_artist'  shu-de
                                     'tag_release'  voices from the distant steppe
                                       'tag_title'  opei yry (a lullaby)
                                             'bpm'  134.11
                                    'search_title'  'a':3,4 'lullaby':5,6 'opei':1 'yry':2
                                   'search_artist'  'de':2 'shu':1 'shude':3
                                  'search_release'  'distant':4 'from':2 'steppe':5 'the':3 'voices':1
                                     'search_rest'  '00asia':1 '1994':2 'asia':4 'loc':3
                                    'search_combo'  '00asia':15 '1994':16 'a':3A,4A 'asia':18 'de':8B 'distant':13C 'from':11C 'loc':17 'lullaby':5A,6A 'opei':1A 'shu':7B 'shude':9B 'steppe':14C 'the':12C 'voices':10C 'yry':2A
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-3', 'Q-OLDST-1', 'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['world', 'tuva', 'throat singing', 'folk', 'tuvan']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397825.3296485  (2022-05-13 01:23:45)
                             'size'  4564864