======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '194'
                                          'artist'  'Carl Stalling'
                                     'text_people'  ''
                                         'release'  'Carl Stalling Project, Vol. 2: More Music from Warner Bros. Cartoons 1929-1957'
                                           'title'  'Drunk la Cucaracha'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-2', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'instrumental', 'classical', 'cartoon music', 'cartoon']"
                                     'discogstags'  "['stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '119.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Carl Stalling Project, Vol. 2: More Music from Warner Bros. Cartoons 1929-1957'
'TBPM' (BPM (beats per minute))                     '119.1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Drunk la Cucaracha'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '194063'
'TPE1' (Lead performer(s)/Soloist(s))               'Carl Stalling'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'stage & screen'
'TXXX:lastfmtags'                                   ['soundtrack', 'instrumental', 'classical', 'cartoon music', 'cartoon']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.634384'

========================== row from database ==========================
                                              'id'  722554
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Carl Stalling Project： More Music From Warner Bros. Cartoons 1939-1957, Vol. 2 [192k]/16 - Drunk La Cucaracha.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  soundtrack-video-series
                                        'filesize'  4671530
                                           'mtime'  1637785060
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Project： From 1939 1957, [192k] 16 La soundtrack video series
                                      'tag_artist'  Carl Stalling
                                     'tag_release'  Carl Stalling Project, Vol. 2: More Music from Warner Bros. Cartoons 1929-1957
                                       'tag_title'  Drunk la Cucaracha
                                             'bpm'  119.1
                                    'search_title'  'cucaracha':3 'drunk':1 'la':2
                                   'search_artist'  'carl':1 'stalling':2
                                  'search_release'  '1929':16 '19291957':18 '1957':17 '2':7,8 'bros':13,14 'carl':1 'cartoons':15 'from':11 'more':9 'music':10 'project':3,4 'stalling':2 'vol':5,6 'warner':12
                                     'search_rest'  '192k':8,9 '1939':5 '1957':6,7 'from':4 'la':10 'project':1,2,3 'series':13 'soundtrack':11 'video':12
                                    'search_combo'  '1929':21C '19291957':23C '192k':31,32 '1939':28 '1957':22C,29,30 '2':12C,13C 'bros':18C,19C 'carl':4B,6C 'cartoons':20C 'cucaracha':3A 'drunk':1A 'from':16C,27 'la':2A,33 'more':14C 'music':15C 'project':8C,9C,24,25,26 'series':36 'soundtrack':34 'stalling':5B,7C 'video':35 'vol':10C,11C 'warner':17C
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'instrumental', 'classical', 'cartoon music', 'cartoon']
                                        'tag_date'  1995
                                     'discogstags'  ['stage & screen']

============================== file details ==============================
                                           'mtime'  1637785059.773698  (2021-11-24 21:17:39)
                             'size'  4671530