======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '453'
                                          'artist'  'Malihe saeedi'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ''
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['traditional', 'persian', 'folk', 'iranian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '91.144'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '91.144'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TKEY' (Initial key)                                '6A'
'TOLY' (Original lyricist(s)/text writer(s))        'www.ArianWorld.com'
'TPE1' (Lead performer(s)/Soloist(s))               'Malihe saeedi'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['traditional', 'persian', 'folk', 'iranian']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+10.90 dB'
'TXXX:replaygain_track_peak'                        '0.181090'

========================== row from database ==========================
                                              'id'  984008
                                            'path'  /data/Music/Bulk/00localcharacter/malihe saeedi - ahooye vahshi/Malihe saeedi - Ahooye Vahshi (Arian) - 02. Daei Daei.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  453
                                           'genre'  loc-unsorted
                                        'filesize'  7414446
                                           'mtime'  1620401700
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter malihe ahooye vahshi Ahooye Vahshi (Arian) 02. Daei Daei loc unsorted
                                      'tag_artist'  Malihe saeedi
                                     'tag_release'  None
                                       'tag_title'  None
                                             'bpm'  91.144
                                    'search_title'  None
                                   'search_artist'  'malihe':1 'saeedi':2
                                  'search_release'  
                                     'search_rest'  '02':6,7 'ahooye':2 'arian':4,5 'daei':8 'loc':9 'malihe':1 'unsorted':10 'vahshi':3
                                    'search_combo'  '02':8,9 'ahooye':4 'arian':6,7 'daei':10 'loc':11 'malihe':1B,3 'saeedi':2B 'unsorted':12 'vahshi':5
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-piano-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['traditional', 'persian', 'folk', 'iranian']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401699.7577565  (2021-05-07 17:34:59)
                             'size'  7414446