======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '1173'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Musique de Bali a Java'
                                           'title'  'Tari Bondan'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-asia-indonesia;mi-gamelan'
                                             'bpm'  '86.2'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Musique de Bali a Java'
'TBPM' (BPM (beats per minute))                     '86.2'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-indonesia', 'mi-gamelan']
'TIT2' (Title/songname/content description)         'Tari Bondan'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:Mp3gain_minmax'                               '080,208'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:other'                                        'Musiques de Java'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.638440'
'TXXX:titl'                                         'Tari Bondan'

========================== row from database ==========================
                                              'id'  1475959
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/gamelan/Musique de Bali à Java/Tari Bondan _ Musiques de Java.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  1173
                                           'genre'  loc-asia-indonesia;mi-gamelan
                                        'filesize'  46943386
                                           'mtime'  1620528075
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia gamelan à _ Musiques loc asia indonesia;mi gamelan
                                      'tag_artist'  [unknown]
                                     'tag_release'  Musique de Bali a Java
                                       'tag_title'  Tari Bondan
                                             'bpm'  86.2
                                    'search_title'  'bondan':2 'tari':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'a':4 'bali':3 'de':2 'java':5 'musique':1
                                     'search_rest'  '00asia':1 'a':3,4 'asia':7 'gamelan':2 'indonesia':8,10 'loc':6 'mi':9,11 'musiques':5
                                    'search_combo'  '00asia':10 'a':8C,12,13 'asia':16 'bali':7C 'bondan':2A 'de':6C 'gamelan':11 'indonesia':17,19 'java':9C 'loc':15 'mi':18,20 'musique':5C 'musiques':14 'tari':1A 'unknown':3B,4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528074.9829254  (2021-05-09 04:41:14)
                             'size'  46943386