======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '1519'
                                          'artist'  'Dokaka Minato Zake'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Dokaka Minato Zake'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza'
                                             'bpm'  '138.702'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '138.702'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-shirleyspinoza']
'TIT2' (Title/songname/content description)         'Dokaka Minato Zake'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dokaka Minato Zake'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '135,199'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Sortunder'                                    'd'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+1.39 dB'
'TXXX:replaygain_track_peak'                        '0.628033'

========================== row from database ==========================
                                              'id'  908403
                                            'path'  /data/Music/Bulk/sns/Dokaka_Minato_Zake_0007.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  1519
                                           'genre'  set-pl-shirleyspinoza
                                        'filesize'  24316245
                                           'mtime'  1621488831
                                   'redo_metaread'  0
                                        'rest_str'   sns Dokaka_Minato_Zake_0007 set pl shirleyspinoza
                                      'tag_artist'  Dokaka Minato Zake
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Dokaka Minato Zake
                                             'bpm'  138.702
                                    'search_title'  'dokaka':1 'minato':2 'zake':3
                                   'search_artist'  'dokaka':1 'minato':2 'zake':3
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  '0007':5 'dokaka':2 'minato':3 'pl':7 'set':6 'shirleyspinoza':8 'sns':1 'zake':4
                                    'search_combo'  '0007':13 'dokaka':1A,4B,10 'minato':2A,5B,11 'pl':15 'set':14 'shirley':7C 'shirleyspinoza':16 'sns':9 'spinoza':8C 'zake':3A,6B,12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', '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-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621488830.961951  (2021-05-20 07:33:50)
                             'size'  24316245