======================== unified (from filesystem) ========================
                                         'bitrate'  '207.629'
                                        'duration'  '313'
                                          'artist'  'eX-Girl'
                                     'text_people'  ''
                                         'release'  'Endangered Species'
                                           'title'  'Hettakorii No Ottokotou'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative', 'female vocalists', 'japanese', 'experimental', 'j rock']"
                                     'discogstags'  "['rock', 'avantgarde']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '119.265'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00002698 00002172 00007358'
'COMM:iTunNORM:eng'                                 (' 00002698 00002172 00007358 000062C3 00041D14 00041D14 00008000 00008000 '
 '0000253F 0000256D')
'TALB' (Album/Movie/Show title)                     'Endangered Species'
'TBPM' (BPM (beats per minute))                     '119.265'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Hettakorii No Ottokotou'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'eX-Girl'
'TPE2' (Band/orchestra/accompaniment)               'eX-Girl'
'TRCK' (Track number/Position in set)               '2'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'avantgarde']
'TXXX:lastfmtags'                                   ['alternative', 'female vocalists', 'japanese', 'experimental', 'j rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.56 dB'
'TXXX:replaygain_track_peak'                        '0.366693'

========================== row from database ==========================
                                              'id'  436726
                                            'path'  /data/Music/Bulk/00localcharacter/eX-Girl/[2004] Endangered Species/02 Hettakorii No Ottokotou.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  313
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  8261099
                                           'mtime'  1622757809
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2004] 02 loc asia japan;loc asia japan jrock
                                      'tag_artist'  eX-Girl
                                     'tag_release'  Endangered Species
                                       'tag_title'  Hettakorii No Ottokotou
                                             'bpm'  119.265
                                    'search_title'  'hettakorii':1 'no':2 'ottokotou':3
                                   'search_artist'  'e':4 'ex':1 'exgirl':3 'girl':2,6 'x':5 'xgirl':7
                                  'search_release'  'endangered':1 'species':2
                                     'search_rest'  '2004':1,2 'asia':4 'japan':5,7,9 'jrock':10 'loc':3,6,8
                                    'search_combo'  '2004':13,14 'asia':16 'e':7B 'endangered':11C 'ex':4B 'exgirl':6B 'girl':5B,9B 'hettakorii':1A 'japan':17,19,21 'jrock':22 'loc':15,18,20 'no':2A 'ottokotou':3A 'species':12C 'x':8B 'xgirl':10B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'female vocalists', 'japanese', 'experimental', 'j rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'avantgarde']

============================== file details ==============================
                                           'mtime'  1622757808.6886842  (2021-06-04 00:03:28)
                             'size'  8261099