======================== unified (from filesystem) ========================
                                         'bitrate'  '142.457'
                                        'duration'  '185'
                                          'artist'  'sumit satchathep'
                                     'text_people'  ''
                                         'release'  'phleng thai tham nong india'
                                           'title'  'kho than rak'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['thai']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-thailand;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '142.608'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'phleng thai tham nong india'
'TBPM' (BPM (beats per minute))                     '142.608'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-thailand', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'kho than rak'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'sumit satchathep'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   'thai'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.85 dB'
'TXXX:replaygain_track_peak'                        '0.525458'

========================== row from database ==========================
                                              'id'  1398139
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/phleng thai tham nong india/02 - sumit satchathep - kho than rak.mp3
                                         'working'  None
                                         'bitrate'  142
                                    'duration_sec'  185
                                           'genre'  loc-asia-thailand;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3307464
                                           'mtime'  1620534431
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 02 loc asia thailand;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  sumit satchathep
                                     'tag_release'  phleng thai tham nong india
                                       'tag_title'  kho than rak
                                             'bpm'  142.608
                                    'search_title'  'kho':1 'rak':3 'than':2
                                   'search_artist'  'satchathep':2 'sumit':1
                                  'search_release'  'india':5 'nong':4 'phleng':1 'thai':2 'tham':3
                                     'search_rest'  '00asia':1 'asia':3 'loc':2 'mor':13 'pl':8 'set':5,7,10,12 'shirleyspinoza':9,11 'thailand':4,6
                                    'search_combo'  '00asia':11 'asia':13 'india':10C 'kho':1A 'loc':12 'mor':23 'nong':9C 'phleng':6C 'pl':18 'rak':3A 'satchathep':5B 'set':15,17,20,22 'shirleyspinoza':19,21 'sumit':4B 'thai':7C 'thailand':14,16 'tham':8C 'than':2A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['thai']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534430.9461954  (2021-05-09 06:27:10)
                             'size'  3307464