======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '248'
                                          'artist'  'Pierrot'
                                     'text_people'  ''
                                         'release'  'Yuuyami Suusaido/Neogrotesque/Barairo No Sekai'
                                           'title'  'Yuuyami suicide'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jrock', 'rock', 'visual kei', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '3'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '146.000'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000026D1 000029F0 00007350 00008192 0001FBE7 00024A35 00008000 00008000 '
 '00007547 0000C395')
'TALB' (Album/Movie/Show title)                     'Yuuyami Suusaido/Neogrotesque/Barairo No Sekai'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Yuuyami suicide'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pierrot'
'TRCK' (Track number/Position in set)               '1/3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jrock', 'rock', 'visual kei', 'japanese', 'j rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.279643'

========================== row from database ==========================
                                              'id'  454541
                                            'path'  /data/Music/Bulk/00localcharacter/Pierrot/Yuuyami Suusaido_Neogrotesque_Barairo No Sekai/01 Yuuyami suicide.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  248
                                           'genre'  loc-unsorted
                                        'filesize'  5961600
                                           'mtime'  1620401256
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Suusaido_Neogrotesque_Barairo 01 loc unsorted
                                      'tag_artist'  Pierrot
                                     'tag_release'  Yuuyami Suusaido/Neogrotesque/Barairo No Sekai
                                       'tag_title'  Yuuyami suicide
                                             'bpm'  146.0
                                    'search_title'  'suicide':2 'yuuyami':1
                                   'search_artist'  'pierrot':1
                                  'search_release'  'barairo':4 'neogrotesque':3 'no':6 'sekai':7 'suusaido':2 'suusaidoneogrotesquebarairo':5 'yuuyami':1
                                     'search_rest'  'barairo':3 'loc':4 'neogrotesque':2 'suusaido':1 'unsorted':5
                                    'search_combo'  'barairo':7C,13 'loc':14 'neogrotesque':6C,12 'no':9C 'pierrot':3B 'sekai':10C 'suicide':2A 'suusaido':5C,11 'suusaidoneogrotesquebarairo':8C 'unsorted':15 'yuuyami':1A,4C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'rock', 'visual kei', 'japanese', 'j rock']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620401256.142803  (2021-05-07 17:27:36)
                             'size'  5961600