======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '233'
                                          'artist'  'Tang Ngarn Si Nong'
                                     'text_people'  ''
                                         'release'  'The Sound Of Siam'
                                           'title'  'Dao Bandon'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  '19'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-asia-thailand'
                                             'bpm'  '133.316'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000B2C 00000AC3 0000803A 000075F0 00002AA7 00002AA7 00007C41 00007CB2 '
 '00006D2F 00006DE5')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A74 00000000009D617C 00000000 008EAA73 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '19++'
'TALB' (Album/Movie/Show title)                     'The Sound Of Siam'
'TBPM' (BPM (beats per minute))                     '133.316'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-thailand'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes 10.1'
'TIT2' (Title/songname/content description)         'Dao Bandon'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tang Ngarn Si Nong'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '19/19'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.92 dB'
'TXXX:replaygain_track_peak'                        '0.407532'

========================== row from database ==========================
                                              'id'  925394
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/The Sound Of Siam - Leftfield Luk Thung, Jazz & Molam in Thailand 1964-1975/19 Tang Ngarn Si Nong - Dao Bandon.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  233
                                           'genre'  loc-asia-thailand
                                        'filesize'  10956696
                                           'mtime'  1621627009
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Leftfield Luk Thung, Jazz & Molam in Thailand 1964 1975 19 loc asia thailand
                                      'tag_artist'  Tang Ngarn Si Nong
                                     'tag_release'  The Sound Of Siam
                                       'tag_title'  Dao Bandon
                                             'bpm'  133.316
                                    'search_title'  'bandon':2 'dao':1
                                   'search_artist'  'ngarn':2 'nong':4 'si':3 'tang':1
                                  'search_release'  'of':3 'siam':4 'sound':2 'the':1
                                     'search_rest'  '00asia':1 '19':12 '1964':10 '1975':11 'asia':14 'in':8 'jazz':6 'leftfield':2 'loc':13 'luk':3 'molam':7 'thailand':9 'thung':4,5
                                    'search_combo'  '00asia':11 '19':22 '1964':20 '1975':21 'asia':24 'bandon':2A 'dao':1A 'in':18 'jazz':16 'leftfield':12 'loc':23 'luk':13 'molam':17 'ngarn':4B 'nong':6B 'of':9C 'si':5B 'siam':10C 'sound':8C 'tang':3B 'thailand':19 'the':7C 'thung':14,15
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627008.7714467  (2021-05-21 21:56:48)
                             'size'  10956696