======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '174'
                                          'artist'  'MONGOL 800'
                                     'text_people'  ''
                                         'release'  'GO ON AS YOU ARE'
                                           'title'  'HAPPY BIRTHDAY'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['japanese', 'j-rock', 'punk', 'j-punk', 'okinawa']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '109.586'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'GO ON AS YOU ARE'
'TBPM' (BPM (beats per minute))                     '109.586'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'HAPPY BIRTHDAY'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'MONGOL 800'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['japanese', 'j-rock', 'punk', 'j-punk', 'okinawa']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.90 dB'
'TXXX:replaygain_track_peak'                        '0.442024'

========================== row from database ==========================
                                              'id'  1238482
                                            'path'  /data/Music/Bulk/00localcharacter/MONGOL 800/GO ON AS YOU ARE/03 HAPPY BIRTHDAY.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  174
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  2801536
                                           'mtime'  1637020151
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 03 loc asia japan;loc asia japan jrock
                                      'tag_artist'  MONGOL 800
                                     'tag_release'  GO ON AS YOU ARE
                                       'tag_title'  HAPPY BIRTHDAY
                                             'bpm'  109.586
                                    'search_title'  'birthday':2 'happy':1
                                   'search_artist'  '800':2 'mongol':1
                                  'search_release'  'are':5 'as':3 'go':1 'on':2 'you':4
                                     'search_rest'  'asia':2 'japan':3,5,7 'jrock':8 'loc':1,4,6
                                    'search_combo'  '800':4B 'are':9C 'as':7C 'asia':11 'birthday':2A 'go':5C 'happy':1A 'japan':12,14,16 'jrock':17 'loc':10,13,15 'mongol':3B 'on':6C 'you':8C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['japanese', 'j-rock', 'punk', 'j-punk', 'okinawa']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637020150.648743  (2021-11-16 00:49:10)
                             'size'  2801536