======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '148'
                                          'artist'  'Pen Jung Dai'
                                     'text_people'  ''
                                         'release'  'The Sound Of Siam'
                                           'title'  'Sanae Petchaboon'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '19'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'loc-asia-thailand'
                                             'bpm'  '107.095'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000C79 00000C79 00005A2A 00005A2A 0001BDD0 0001BDD0 00007D39 00007D39 '
 '0002171A 0002171A')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000780 000000000063CE70 00000000 005A6F06 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))                     '107.095'
'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)         'Sanae Petchaboon'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pen Jung Dai'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '14/19'
'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'                                       '4'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.410712'

========================== row from database ==========================
                                              'id'  925202
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/The Sound Of Siam - Leftfield Luk Thung, Jazz & Molam in Thailand 1964-1975/14 Pen Jung Dai - Sanae Petchaboon.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  148
                                           'genre'  loc-asia-thailand
                                        'filesize'  7533448
                                           'mtime'  1621627007
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Leftfield Luk Thung, Jazz & Molam in Thailand 1964 1975 14 loc asia thailand
                                      'tag_artist'  Pen Jung Dai
                                     'tag_release'  The Sound Of Siam
                                       'tag_title'  Sanae Petchaboon
                                             'bpm'  107.095
                                    'search_title'  'petchaboon':2 'sanae':1
                                   'search_artist'  'dai':3 'jung':2 'pen':1
                                  'search_release'  'of':3 'siam':4 'sound':2 'the':1
                                     'search_rest'  '00asia':1 '1964':10 '1975':11 'asia':13 'in':8 'jazz':6 'leftfield':2 'loc':12 'luk':3 'molam':7 'thailand':9 'thung':4,5
                                    'search_combo'  '00asia':10 '1964':19 '1975':20 'asia':22 'dai':5B 'in':17 'jazz':15 'jung':4B 'leftfield':11 'loc':21 'luk':12 'molam':16 'of':8C 'pen':3B 'petchaboon':2A 'sanae':1A 'siam':9C 'sound':7C 'thailand':18 'the':6C 'thung':13,14
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627007.0159454  (2021-05-21 21:56:47)
                             'size'  7533448