======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '327'
                                          'artist'  'exist†trace'
                                     'text_people'  ''
                                         'release'  'Liquid'
                                           'title'  'Halt'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'visual kei', 'female vocalists', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jrock-visualkei'
                                             'bpm'  '109.883'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:渀最:eng'                                       '栀琀琀瀀㨀⼀⼀瘀椀猀甀愀氀猀挀愀渀搀愀氀⸀戀氀漀最猀瀀漀琀⸀挀漀洀⼀'
'TALB' (Album/Movie/Show title)                     'Liquid'
'TBPM' (BPM (beats per minute))                     '109.883'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'rock-gr-punk-jpunk', 'loc-asia-japan-jrock-visualkei']
'TIT2' (Title/songname/content description)         'Halt'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'exist†trace'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['metal', 'visual kei', 'female vocalists', 'japanese', 'j rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.00 dB'
'TXXX:replaygain_track_peak'                        '0.414814'

========================== row from database ==========================
                                              'id'  927102
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/exist†trace/liquid/03 Halt.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  327
                                           'genre'  loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jrock-visualkei
                                        'filesize'  5312103
                                           'mtime'  1621629213
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia liquid 03 loc asia japan;rock gr punk jpunk;loc asia japan jrock visualkei
                                      'tag_artist'  exist†trace
                                     'tag_release'  Liquid
                                       'tag_title'  Halt
                                             'bpm'  109.883
                                    'search_title'  'halt':1
                                   'search_artist'  'exist':1 'trace':2
                                  'search_release'  'liquid':1
                                     'search_rest'  '00asia':1 'asia':4 'gr':9 'japan':5,7,15 'jpunk':11,13 'jrock':16 'liquid':2 'loc':3,12,14 'punk':10 'rock':6,8 'visualkei':17
                                    'search_combo'  '00asia':5 'asia':8 'exist':2B 'gr':13 'halt':1A 'japan':9,11,19 'jpunk':15,17 'jrock':20 'liquid':4C,6 'loc':7,16,18 'punk':14 'rock':10,12 'trace':3B 'visualkei':21
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['metal', 'visual kei', 'female vocalists', 'japanese', 'j rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629212.976959  (2021-05-21 22:33:32)
                             'size'  5312103