======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '245'
                                          'artist'  'BoA'
                                     'text_people'  ''
                                         'release'  'Girls on Top'
                                           'title'  'Addiction (執着)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['korean', 'pop', 'j pop', 'k pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '13'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '90'
                                             'key'  '4A'
                                        'acoustid'  'e79a92ea-73cd-4cb9-af77-a3e39b1000cf'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Girls on Top'
'TBPM' (BPM (beats per minute))                     '90'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2008-03-26'
'TIT2' (Title/songname/content description)         'Addiction (執着)'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'BoA'
'TPE2' (Band/orchestra/accompaniment)               'BoA'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'avex trax'
'TRCK' (Track number/Position in set)               '6/13'
'TSO2'                                              'BoA'
'TSOP' (Performer sort order)                       'BoA'
'TXXX:ASIN'                                         'B0012F9ANU'
'TXXX:Acoustid Id'                                  'e79a92ea-73cd-4cb9-af77-a3e39b1000cf'
'TXXX:Artists'                                      'BoA'
'TXXX:BARCODE'                                      '4988064235612'
'TXXX:CATALOGNUMBER'                                'AVCD-23561'
'TXXX:MusicBrainz Album Artist Id'                  'a16d1433-ba89-4f72-a47b-a370add0bb55'
'TXXX:MusicBrainz Album Id'                         '9acb49cd-c7eb-3f39-abcc-868af5361ae4'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a16d1433-ba89-4f72-a47b-a370add0bb55'
'TXXX:MusicBrainz Release Group Id'                 'aa665f43-153b-326c-9913-6e46f05b9b61'
'TXXX:MusicBrainz Release Track Id'                 '60d46daf-4e34-30e5-9dad-e317e4399578'
'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:SCRIPT'                                       'Kore'
'TXXX:lastfmtags'                                   ['korean', 'pop', 'j pop', 'k pop']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.287038'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2b41920e-db7d-49f7-8b7a-052f35410d78')

========================== row from database ==========================
                                              'id'  925959
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/BoA/06.AddictionBoA.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  245
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  9894897
                                           'mtime'  1622756775
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia 06.AddictionBoA loc asia japan;loc asia japan jpop
                                      'tag_artist'  BoA
                                     'tag_release'  Girls on Top
                                       'tag_title'  Addiction (執着)
                                             'bpm'  90.0
                                    'search_title'  'addiction':1 '執着':2,3
                                   'search_artist'  'a':3 'bo':2 'boa':1
                                  'search_release'  'girls':1 'on':2 'top':3
                                     'search_rest'  '00asia':1 '06':2,13 '06addiction':15 '06addictionboa':4 'a':17 'addiction':14 'addictionboa':3 'asia':6 'bo':16 'japan':7,9,11 'jpop':12 'loc':5,8,10
                                    'search_combo'  '00asia':10 '06':11,22 '06addiction':24 '06addictionboa':13 'a':6B,26 'addiction':1A,23 'addictionboa':12 'asia':15 'bo':5B,25 'boa':4B 'girls':7C 'japan':16,18,20 'jpop':21 'loc':14,17,19 'on':8C 'top':9C '執着':2A,3A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['korean', 'pop', 'j pop', 'k pop']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622756774.9601052  (2021-06-03 23:46:14)
                             'size'  9894897