======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '247'
                                          'artist'  'V'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Tanjuang Sani'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['pachinko', 'boybands', 'pachislot', 'soul', 'pop', 'melodic death metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '17'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '105.203'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000008A0 00000E8B 00004E9D'
'COMM:iTunNORM:eng'                                 (' 000008A0 00000E8B 00004E9D 000092AD 00008234 0002000A 00008393 000085D9 '
 '00019C0A 00024BF5')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006F0 0000000000A63C80 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '17+3194386572697F7E9E06209673BAD2F0+5110199'
'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '105.203'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TENC' (Encoded by)                                 'iTunes v6.0'
'TIT2' (Title/songname/content description)         'Tanjuang Sani'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'V'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9/17'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['pachinko', 'boybands', 'pachislot', 'soul', 'pop', 'melodic death metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.381657'

========================== row from database ==========================
                                              'id'  949024
                                            'path'  /data/Music/Bulk/sns/Folk and Pop Sounds of Sumatra - Tanjuang Sani.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  247
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6920762
                                           'mtime'  1621044077
                                   'redo_metaread'  0
                                        'rest_str'   sns Folk and Pop Sounds of Sumatra set pl shirleyspinoza;set pl mor
                                      'tag_artist'  V
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Tanjuang Sani
                                             'bpm'  105.203
                                    'search_title'  'sani':2 'tanjuang':1
                                   'search_artist'  'v':1
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'and':3 'folk':2 'mor':14 'of':6 'pl':9 'pop':4 'set':8,11,13 'shirleyspinoza':10,12 'sns':1 'sounds':5 'sumatra':7
                                    'search_combo'  'and':8 'folk':7 'mor':19 'of':11 'pl':14 'pop':9 'sani':2A 'set':13,16,18 'shirley':4C 'shirleyspinoza':15,17 'sns':6 'sounds':10 'spinoza':5C 'sumatra':12 'tanjuang':1A 'v':3B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['pachinko', 'boybands', 'pachislot', 'soul', 'pop', 'melodic death metal']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621044077.4980223  (2021-05-15 04:01:17)
                             'size'  6920762