======================== unified (from filesystem) ========================
                                         'bitrate'  '169.342'
                                        'duration'  '107'
                                          'artist'  'Nintendo'
                                     'text_people'  ''
                                         'release'  '?'
                                           'title'  'Museum (Custom Exhibits) - Animal Crossing  New Leaf Music(360p H.264-AAC)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['video game music', 'game music', 'soundtrack', 'game', 'video game']"
                                     'discogstags'  "['punk', 'indie rock', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '133.8'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '?'
'TBPM' (BPM (beats per minute))                     '133.8'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TIT2' (Title/songname/content description)         'Museum (Custom Exhibits) - Animal Crossing  New Leaf Music(360p H.264-AAC)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Nintendo'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['punk', 'indie rock', 'experimental', 'rock']
'TXXX:lastfmtags'                                   ['video game music', 'game music', 'soundtrack', 'game', 'video game']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.00 dB'
'TXXX:replaygain_track_peak'                        '0.562839'

========================== row from database ==========================
                                              'id'  1235211
                                            'path'  /data/Music/Bulk/0soundtrack/Animal Crossing/Animal Crossing Wild World/Museum (Custom Exhibits) - Animal Crossing_ New Leaf Music(360p_H.264-AAC).mp3
                                         'working'  None
                                         'bitrate'  169
                                    'duration_sec'  107
                                           'genre'  soundtrack-game
                                        'filesize'  2280137
                                           'mtime'  1642081774
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Wild World Crossing_ Music(360p_H.264 soundtrack game
                                      'tag_artist'  Nintendo
                                     'tag_release'  ?
                                       'tag_title'  Museum (Custom Exhibits) - Animal Crossing  New Leaf Music(360p H.264-AAC)
                                             'bpm'  133.8
                                    'search_title'  '264':14 '360p':11 'aac':15 'animal':6 'crossing':7 'custom':2,3 'exhibits':4,5 'h':13 'h264aac':16 'leaf':9 'museum':1 'music':10 'music360p':12 'new':8
                                   'search_artist'  'nintendo':1
                                  'search_release'  
                                     'search_rest'  '0soundtrack':1 '264':8 '360p':6 'crossing':4 'game':12 'h':7 'h264':10 'music':5 'music360p':9 'soundtrack':11 'wild':2 'world':3
                                    'search_combo'  '0soundtrack':18 '264':14A,25 '360p':11A,23 'aac':15A 'animal':6A 'crossing':7A,21 'custom':2A,3A 'exhibits':4A,5A 'game':29 'h':13A,24 'h264':27 'h264aac':16A 'leaf':9A 'museum':1A 'music':10A,22 'music360p':12A,26 'new':8A 'nintendo':17B 'soundtrack':28 'wild':19 'world':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['video game music', 'game music', 'soundtrack', 'game', 'video game']
                                        'tag_date'  
                                     'discogstags'  ['punk', 'indie rock', 'experimental', 'rock']

============================== file details ==============================
                                           'mtime'  1642081773.938358  (2022-01-13 14:49:33)
                             'size'  2280137