======================== unified (from filesystem) ========================
                                         'bitrate'  '219.403'
                                        'duration'  '164'
                                          'artist'  'Krontjong Orchest Eurasia'
                                     'text_people'  ''
                                         'release'  'Kroncong, Vol. 1'
                                           'title'  'Terang Boelan'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['krontjong', 'folk', 'ambient']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-indonesia'
                                             'bpm'  '96.346'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Kroncong, Vol. 1'
'TBPM' (BPM (beats per minute))                     '96.346'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-indonesia'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Terang Boelan'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Krontjong Orchest Eurasia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['krontjong', 'folk', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.573004'

========================== row from database ==========================
                                              'id'  928377
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/va - kroncong - early indonesian pop music [vol.1]/04. Krontjong Orchest Eurasia - Terang Boelan.mp3
                                         'working'  None
                                         'bitrate'  219
                                    'duration_sec'  164
                                           'genre'  loc-asia-indonesia
                                        'filesize'  4522965
                                           'mtime'  1621627035
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia va kroncong early indonesian pop music [vol.1] 04. loc indonesia
                                      'tag_artist'  Krontjong Orchest Eurasia
                                     'tag_release'  Kroncong, Vol. 1
                                       'tag_title'  Terang Boelan
                                             'bpm'  96.346
                                    'search_title'  'boelan':2 'terang':1
                                   'search_artist'  'eurasia':3 'krontjong':1 'orchest':2
                                  'search_release'  '1':5 'kroncong':1,2 'vol':3,4
                                     'search_rest'  '00asia':1 '04':11,12 '1':9 'early':4 'indonesia':14 'indonesian':5 'kroncong':3 'loc':13 'music':7 'pop':6 'va':2 'vol':8 'vol1':10
                                    'search_combo'  '00asia':11 '04':21,22 '1':10C,19 'boelan':2A 'early':14 'eurasia':5B 'indonesia':24 'indonesian':15 'kroncong':6C,7C,13 'krontjong':3B 'loc':23 'music':17 'orchest':4B 'pop':16 'terang':1A 'va':12 'vol':8C,9C,18 'vol1':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['krontjong', 'folk', 'ambient']
                                        'tag_date'  2006
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621627035.3221188  (2021-05-21 21:57:15)
                             'size'  4522965