======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '250'
                                          'artist'  'capsule'
                                     'text_people'  ''
                                         'release'  'L.D.K. Lounge Designers Killer'
                                           'title'  '\x12O\x120\x12C\x12 \x01['
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', '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-2']")
                                      'lastfmtags'  "['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock-shibuyakei'
                                             'bpm'  '133.316'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'L.D.K. Lounge Designers Killer'
'TBPM' (BPM (beats per minute))                     '133.316'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock-shibuyakei']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         '\x12O\x120\x12C\x12 \x01['
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'capsule'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.11 dB'
'TXXX:replaygain_track_peak'                        '0.382678'

========================== row from database ==========================
                                              'id'  1214561
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/capsule/capsule - L.D.K. Lounge Designers Killer/07 - Glider.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  250
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock-shibuyakei
                                        'filesize'  4125851
                                           'mtime'  1637020058
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 07 Glider loc asia japan;loc asia japan jrock shibuyakei
                                      'tag_artist'  capsule
                                     'tag_release'  L.D.K. Lounge Designers Killer
                                       'tag_title'  O0C 
[
                                             'bpm'  133.316
                                    'search_title'  '0':2 'c':3 'o':1
                                   'search_artist'  'capsule':1
                                  'search_release'  'd':2 'designers':6 'k':3 'killer':7 'l':1 'ldk':4 'lounge':5
                                     'search_rest'  '00asia':1 'asia':4 'glider':2 'japan':5,7,9 'jrock':10 'loc':3,6,8 'shibuyakei':11
                                    'search_combo'  '0':2A '00asia':12 'asia':15 'c':3A 'capsule':4B 'd':6C 'designers':10C 'glider':13 'japan':16,18,20 'jrock':21 'k':7C 'killer':11C 'l':5C 'ldk':8C 'loc':14,17,19 'lounge':9C 'o':1A 'shibuyakei':22
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637020057.510297  (2021-11-16 00:47:37)
                             'size'  4125851