======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '135'
                                          'artist'  'Ros Serey Sothea'
                                     'text_people'  ''
                                         'release'  'Rare Cambodian Tracks | Bodega Pop Vol. 1'
                                           'title'  'Tngai Nis Chhoe Chet'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
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 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['cambodian', 'psychedelic', 'khmer', 'cambodia', 'cambodian rocks']"
                                     'discogstags'  "['folk, world, & country', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '27'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-asia-cambodia'
                                             'bpm'  '140.725'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 0000076D 00000304 00004382 00001531 000013CB 000013CB 00006BF7 00006C97 '
 '00000CF5 00000CF5')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000780 00000000005B3170 00000000 00210C69 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            'B50A2C0E+195458+14+150+13405+29488+42923+59115+68727+83619+97044+107208+120809+135940+150682+167862+181110'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '8'
'TALB' (Album/Movie/Show title)                     'Rare Cambodian Tracks | Bodega Pop Vol. 1'
'TBPM' (BPM (beats per minute))                     '140.725'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-cambodia'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'iTunes v7.7.0.43'
'TIT2' (Title/songname/content description)         'Tngai Nis Chhoe Chet'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ros Serey Sothea'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '8/27'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['folk, world, & country', 'pop']
'TXXX:lastfmtags'                                   ['cambodian', 'psychedelic', 'khmer', 'cambodia', 'cambodian rocks']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.04 dB'
'TXXX:replaygain_track_peak'                        '0.523569'

========================== row from database ==========================
                                              'id'  1394477
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Cambodia/08 Tngai Nis Chhoe Chet.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  135
                                           'genre'  loc-asia-cambodia
                                        'filesize'  3473657
                                           'mtime'  1621629116
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 08 loc asia cambodia
                                      'tag_artist'  Ros Serey Sothea
                                     'tag_release'  Rare Cambodian Tracks | Bodega Pop Vol. 1
                                       'tag_title'  Tngai Nis Chhoe Chet
                                             'bpm'  140.725
                                    'search_title'  'chet':4 'chhoe':3 'nis':2 'tngai':1
                                   'search_artist'  'ros':1 'serey':2 'sothea':3
                                  'search_release'  '1':8 'bodega':4 'cambodian':2 'pop':5 'rare':1 'tracks':3 'vol':6,7
                                     'search_rest'  '00asia':1 'asia':3 'cambodia':4 'loc':2
                                    'search_combo'  '00asia':16 '1':15C 'asia':18 'bodega':11C 'cambodia':19 'cambodian':9C 'chet':4A 'chhoe':3A 'loc':17 'nis':2A 'pop':12C 'rare':8C 'ros':5B 'serey':6B 'sothea':7B 'tngai':1A 'tracks':10C 'vol':13C,14C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['cambodian', 'psychedelic', 'khmer', 'cambodia', 'cambodian rocks']
                                        'tag_date'  2013
                                     'discogstags'  ['folk, world, & country', 'pop']

============================== file details ==============================
                                           'mtime'  1621629115.9790602  (2021-05-21 22:31:55)
                             'size'  3473657