======================== unified (from filesystem) ========================
                                         'bitrate'  '215.085'
                                        'duration'  '206'
                                          'artist'  'Yukari Fresh'
                                     'text_people'  ''
                                         'release'  'Sushi 4004: Spectacular Japanese Clubpop'
                                           'title'  'Yukarin Disco'
                                           'quals'  ("['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-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock-shibuyakei;loc-asia'
                                             'bpm'  '142.108'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sushi 4004: Spectacular Japanese Clubpop'
'TBPM' (BPM (beats per minute))                     '142.108'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock-shibuyakei', 'loc-asia']
'TIT2' (Title/songname/content description)         'Yukarin Disco'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yukari Fresh'
'TRCK' (Track number/Position in set)               '7'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.26 dB'
'TXXX:replaygain_track_peak'                        '0.555442'

========================== row from database ==========================
                                              'id'  924397
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Unsorted/Various Artists - Sushi 4004 Spectacular Japanese Clubpop - 07 - Yukari Fresh - Yukarin Disco.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  206
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock-shibuyakei;loc-asia
                                        'filesize'  5567868
                                           'mtime'  1620587345
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Unsorted Various Artists 07 loc asia japan;loc asia japan jrock shibuyakei;loc asia
                                      'tag_artist'  Yukari Fresh
                                     'tag_release'  Sushi 4004: Spectacular Japanese Clubpop
                                       'tag_title'  Yukarin Disco
                                             'bpm'  142.108
                                    'search_title'  'disco':2 'yukarin':1
                                   'search_artist'  'fresh':2 'yukari':1
                                  'search_release'  '4004':2,3 'clubpop':6 'japanese':5 'spectacular':4 'sushi':1
                                     'search_rest'  '00asia':1 'artists':4 'asia':6 'japan':7,9,11 'jrock':12 'loc':5,8,10,14,16 'shibuyakei':13,15 'unsorted':2 'various':3
                                    'search_combo'  '00asia':11 '4004':6C,7C 'artists':14 'asia':16 'clubpop':10C 'disco':2A 'fresh':4B 'japan':17,19,21 'japanese':9C 'jrock':22 'loc':15,18,20,24,26 'shibuyakei':23,25 'spectacular':8C 'sushi':5C 'unsorted':12 'various':13 'yukari':3B 'yukarin':1A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'shibuya kei', 'electronic', 'japanese', 'j pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620587345.2953975  (2021-05-09 21:09:05)
                             'size'  5567868