======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '174'
                                          'artist'  'Pa Gun Tor'
                                     'text_people'  ''
                                         'release'  'The Sound of Siam 2: Molam & Luk Thung Isan from North-East Thailand 1970-1982'
                                           'title'  'Thepporn Petchubon'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-2', 'q-bass-3', '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'  '10'
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'loc-asia-thailand'
                                             'bpm'  '134.288'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Sound of Siam 2: Molam & Luk Thung Isan from North-East Thailand 1970-1982'
'TBPM' (BPM (beats per minute))                     '134.288'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-thailand'
'TDRC' (Recording time)                             '2014'
'TENC' (Encoded by)                                 'exy'
'TIT2' (Title/songname/content description)         'Thepporn Petchubon'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pa Gun Tor'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10'
'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'                                       '3'
'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'                        '+2.05 dB'
'TXXX:replaygain_track_peak'                        '0.357396'

========================== row from database ==========================
                                              'id'  928143
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/The Sound of Siam Vol. 2 - Molam & Luk Thung Isan from North-East Thailand 1970-1982/10 Pa Gun Tor - Thepporn Petchubon.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  174
                                           'genre'  loc-asia-thailand
                                        'filesize'  7132715
                                           'mtime'  1621627011
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Vol. 10 loc asia thailand
                                      'tag_artist'  Pa Gun Tor
                                     'tag_release'  The Sound of Siam 2: Molam & Luk Thung Isan from North-East Thailand 1970-1982
                                       'tag_title'  Thepporn Petchubon
                                             'bpm'  134.288
                                    'search_title'  'petchubon':2 'thepporn':1
                                   'search_artist'  'gun':2 'pa':1 'tor':3
                                  'search_release'  '1970':16 '19701982':18 '1982':17 '2':5,6 'east':13 'from':11 'isan':10 'luk':8 'molam':7 'north':12 'northeast':14 'of':3 'siam':4 'sound':2 'thailand':15 'the':1 'thung':9
                                     'search_rest'  '00asia':1 'asia':5 'loc':4 'thailand':6 'vol':2,3
                                    'search_combo'  '00asia':24 '1970':21C '19701982':23C '1982':22C '2':10C,11C 'asia':28 'east':18C 'from':16C 'gun':4B 'isan':15C 'loc':27 'luk':13C 'molam':12C 'north':17C 'northeast':19C 'of':8C 'pa':3B 'petchubon':2A 'siam':9C 'sound':7C 'thailand':20C,29 'the':6C 'thepporn':1A 'thung':14C 'tor':5B 'vol':25,26
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4A
                                           '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-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627010.8264248  (2021-05-21 21:56:50)
                             'size'  7132715