======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '203'
                                          'artist'  'Noosh Afarin'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Gol-e Aftab Gardoon'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-LOCALNESS-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-2', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['iran', 'pop', 'mehdi62']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '16'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '105.477'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00001454 0000121A 0000BC02 0000948B 00029C43 00015E4E 00006D29 00006968 '
 '0000E134 0000836D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000087C 00000000008915F4 00000000 007C402A 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '16+F8156393C4909E6354F99475BFC22B15+14641436'
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '105.477'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes 9.0.2'
'TIT2' (Title/songname/content description)         'Gol-e Aftab Gardoon'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Noosh Afarin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['iran', 'pop', 'mehdi62']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.300027'

========================== row from database ==========================
                                              'id'  949403
                                            'path'  /data/Music/Bulk/sns/Nooshafarin - Gol-e Aftab Gardoon.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  203
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  8153486
                                           'mtime'  1621630400
                                   'redo_metaread'  0
                                        'rest_str'   sns Nooshafarin set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Noosh Afarin
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Gol-e Aftab Gardoon
                                             'bpm'  105.477
                                    'search_title'  'aftab':4 'e':2 'gardoon':5 'gol':1 'gole':3
                                   'search_artist'  'afarin':2 'noosh':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'mor':9 'nooshafarin':2 'pl':4 'set':3,6,8 'shirleyspinoza':5,7 'sns':1
                                    'search_combo'  'afarin':7B 'aftab':4A 'e':2A 'gardoon':5A 'gol':1A 'gole':3A 'mor':18 'noosh':6B 'nooshafarin':11 'pl':13 'set':12,15,17 'shirley':8C 'shirleyspinoza':14,16 'sns':10 'spinoza':9C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['iran', 'pop', 'mehdi62']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630400.1750312  (2021-05-21 22:53:20)
                             'size'  8153486