======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '310'
                                          'artist'  'Shiina Ringo'
                                     'text_people'  ''
                                         'release'  'karuki zaamen kurinohana'
                                           'title'  'yattsuke shigoto'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-LOCALNESS-2', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted'
                                             'bpm'  '133.316'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'karuki zaamen kurinohana'
'TBPM' (BPM (beats per minute))                     '133.316'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-shibuyakei',
 'loc-asia-japan',
 'prerock-jb-jazz-unsorted']
'TIT2' (Title/songname/content description)         'yattsuke shigoto'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shiina Ringo'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.487951'

========================== row from database ==========================
                                              'id'  923914
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Shiina Ringo & Tokyo Jihen/Shiina Ringo/Shina Ringo - Karuki Zaamen Kurinohana - 05 - Yattsuke Shigoto.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  310
                                           'genre'  loc-asia-japan-jrock-shibuyakei;loc-asia-japan;prerock-jb-jazz-unsorted
                                        'filesize'  6209117
                                           'mtime'  1620540267
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia & Tokyo Jihen Shina Karuki Zaamen Kurinohana 05 Yattsuke Shigoto loc asia japan jrock shibuyakei;loc asia japan;prerock jb jazz unsorted
                                      'tag_artist'  Shiina Ringo
                                     'tag_release'  karuki zaamen kurinohana
                                       'tag_title'  yattsuke shigoto
                                             'bpm'  133.316
                                    'search_title'  'shigoto':2 'yattsuke':1
                                   'search_artist'  'ringo':2 'shiina':1
                                  'search_release'  'karuki':1 'kurinohana':3 'zaamen':2
                                     'search_rest'  '00asia':1 'asia':11 'japan':12,18,20 'jazz':23 'jb':22 'jihen':3 'jrock':13 'karuki':5 'kurinohana':7 'loc':10,15,17 'prerock':19,21 'shibuyakei':14,16 'shigoto':9 'shina':4 'tokyo':2 'unsorted':24 'yattsuke':8 'zaamen':6
                                    'search_combo'  '00asia':8 'asia':18 'japan':19,25,27 'jazz':30 'jb':29 'jihen':10 'jrock':20 'karuki':5C,12 'kurinohana':7C,14 'loc':17,22,24 'prerock':26,28 'ringo':4B 'shibuyakei':21,23 'shigoto':2A,16 'shiina':3B 'shina':11 'tokyo':9 'unsorted':31 'yattsuke':1A,15 'zaamen':6C,13
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['japanese', 'j-rock', 'j-pop', 'female vocalists', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620540266.6466205  (2021-05-09 08:04:26)
                             'size'  6209117