======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '158'
                                          'artist'  'Ernesto Cortázar'
                                     'text_people'  ''
                                         'release'  'Just for You'
                                           'title'  "Beethoven's Silence"
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1', "
 "'q-piano-4']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '10'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '139'
                                             'key'  '2A'
                                        'acoustid'  '60c9a221-a665-44b9-a4d6-3802d86b503c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Just for You'
'TBPM' (BPM (beats per minute))                     '139'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         "Beethoven's Silence"
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD-R'
'TPE1' (Lead performer(s)/Soloist(s))               'Ernesto Cortázar'
'TPE2' (Band/orchestra/accompaniment)               'Ernesto Cortázar'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/10'
'TSO2'                                              'Cortázar, Ernesto 2'
'TSOP' (Performer sort order)                       'Cortázar, Ernesto 2'
'TXXX:Acoustid Id'                                  '60c9a221-a665-44b9-a4d6-3802d86b503c'
'TXXX:Artists'                                      'Ernesto Cortázar'
'TXXX:CATALOGNUMBER'                                '040946085592-22434'
'TXXX:MusicBrainz Album Artist Id'                  'dbdbf10f-44dd-4d35-8803-f79cee2adf33'
'TXXX:MusicBrainz Album Id'                         '65ff9b91-92b6-4cdb-a501-90e8daa25251'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'dbdbf10f-44dd-4d35-8803-f79cee2adf33'
'TXXX:MusicBrainz Release Group Id'                 '8b36444f-500e-3735-a4e6-6ddcbc081099'
'TXXX:MusicBrainz Release Track Id'                 'cded6a55-73ce-3184-b16c-8fe10c3f3b9d'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:mood'                                         'Acoustic/Not party/Not aggressive/Relaxed/Not electronic/Sad/Not happy'
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+10.59 dB'
'TXXX:replaygain_track_peak'                        '0.151542'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'37a27de3-c68e-418b-820f-d08a97eb61ac')

========================== row from database ==========================
                                              'id'  1501232
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Ernesto Cortazar - Beethoven_s Silence(아름다운 피아노 연주곡) [].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  158
                                           'genre'  
                                        'filesize'  3822081
                                           'mtime'  1652397956
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Cortazar Beethoven_s Silence(아름다운 피아노 연주곡) []
                                      'tag_artist'  Ernesto Cortázar
                                     'tag_release'  Just for You
                                       'tag_title'  Beethoven's Silence
                                             'bpm'  139.0
                                    'search_title'  'beethoven':1 'beethovens':3 's':2 'silence':4
                                   'search_artist'  'cortazar':2,3 'ernesto':1
                                  'search_release'  'for':2 'just':1 'you':3
                                     'search_rest'  '00poprockelectronic':1 'beethoven':8 'cortazar':7 'files':5,6 'loose':3,4 's':9 'silence':10,13 'silence아름다운':12,15 'unsorted':2 '아름다운':11,14 '연주곡':18,19,20,21 '피아노':16,17
                                    'search_combo'  '00poprockelectronic':11 'beethoven':1A,18 'beethovens':3A 'cortazar':6B,7B,17 'ernesto':5B 'files':15,16 'for':9C 'just':8C 'loose':13,14 's':2A,19 'silence':4A,20,23 'silence아름다운':22,25 'unsorted':12 'you':10C '아름다운':21,24 '연주곡':28,29,30,31 '피아노':26,27
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1', 'q-piano-4']
                                      'lastfmtags'  []
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397955.8927624  (2022-05-13 01:25:55)
                             'size'  3822081