======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '100'
                                          'artist'  'VA Ainu'
                                     'text_people'  ''
                                         'release'  "Jew's Harp and Vocal Music of the Ainu"
                                           'title'  "Frogs' Chorus"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', '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']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '108.008'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Jew's Harp and Vocal Music of the Ainu"
'TBPM' (BPM (beats per minute))                     '108.008'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "Frogs' Chorus"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'VA Ainu'
'TRCK' (Track number/Position in set)               '20'
'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:q-bass'                                       '1'
'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'                        '+3.72 dB'
'TXXX:replaygain_track_peak'                        '0.955141'

========================== row from database ==========================
                                              'id'  1523521
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Mukkuri Hawehe Jew_s Harp And Vocal Music Of The Ainu (2001)/20 - VA_Ainu - Frogs_ Chorus.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  100
                                           'genre'  loc-asia
                                        'filesize'  2016220
                                           'mtime'  1652397819
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Mukkuri Hawehe Jew_s And Of The (2001) 20 VA_Ainu Frogs_ loc asia
                                      'tag_artist'  VA Ainu
                                     'tag_release'  Jew's Harp and Vocal Music of the Ainu
                                       'tag_title'  Frogs' Chorus
                                             'bpm'  108.008
                                    'search_title'  'chorus':3 'frogs':1,2
                                   'search_artist'  'ainu':2 'va':1
                                  'search_release'  'ainu':10 'and':5 'harp':4 'jew':1 'jews':3 'music':7 'of':8 's':2 'the':9 'vocal':6
                                     'search_rest'  '00asia':1 '20':11 '2001':9,10 'ainu':13 'and':6 'asia':16 'frogs':14 'hawehe':3 'jew':4 'loc':15 'mukkuri':2 'of':7 's':5 'the':8 'va':12
                                    'search_combo'  '00asia':16 '20':26 '2001':24,25 'ainu':5B,15C,28 'and':10C,21 'asia':31 'chorus':3A 'frogs':1A,2A,29 'harp':9C 'hawehe':18 'jew':6C,19 'jews':8C 'loc':30 'mukkuri':17 'music':12C 'of':13C,22 's':7C,20 'the':14C,23 'va':4B,27 'vocal':11C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', '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'  []
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397819.0453806  (2022-05-13 01:23:39)
                             'size'  2016220