======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '183'
                                          'artist'  'メリー'
                                     'text_people'  ''
                                         'release'  'PEEP SHOW'
                                           'title'  'レトロ・フューチャー'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['j-rock', 'visual kei', 'japanese', 'eroguro', 'jrock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '15'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-visualkei;loc-asia-japan'
                                             'bpm'  '141.413'
                                             'key'  '11A'
                                        'acoustid'  '717fd75c-84c2-462a-89c4-bc51281d3820'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00002E49 00002884 00006DEB'
'COMM:iTunNORM:eng'                                 (' 00002E49 00002884 00006DEB 00006F06 00007547 00027145 00008000 00008000 '
 '000186E5 000138AE')
'MCDI' (Music CD identifier)                        MCDI(data=b'F\x00+\x009\x006\x00+\x002\x006\x00E\x008\x00+\x005\x001\x000\x009\x00+\x008\x00C\x002\x001\x00+\x00E\x005\x008\x00D\x00+\x00F\x00F\x00F\x008\x00+\x001\x004\x006\x00A\x00E\x00+\x001\x009\x006\x001\x00D\x00+\x001\x00C\x00B\x00D\x008\x00+\x002\x001\x003\x005\x007\x00+\x002\x002\x00F\x009\x005\x00+\x002\x005\x00F\x005\x008\x00+\x002\x009\x00E\x00E\x001\x00+\x002\x00C\x006\x00B\x004\x00+\x003\x001\x004\x00B\x004\x00+\x003\x006\x00A\x00C\x009\x00\x00\x00')
'PRIV:AverageLevel:æ$\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xe6$\x00\x00')
'PRIV:PeakValue:\x87~\x00\x00'                      PRIV(owner='PeakValue', data=b'\x87~\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:©I1\x8bûWvE\x86©6\x03\x13ksä'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xa9I1\x8b\xfbWvE\x86\xa96\x03\x13ks\xe4')
'PRIV:WM/WMCollectionID:©I1\x8bûWvE\x86©6\x03\x13ksä'  PRIV(owner='WM/WMCollectionID', data=b'\xa9I1\x8b\xfbWvE\x86\xa96\x03\x13ks\xe4')
'PRIV:WM/WMContentID:è\x8b\x821å93D\x84£>\x01%ë{\x90'  PRIV(owner='WM/WMContentID', data=b'\xe8\x8b\x821\xe593D\x84\xa3>\x01%\xeb{\x90')
'TALB' (Album/Movie/Show title)                     'PEEP SHOW'
'TBPM' (BPM (beats per minute))                     '141.413'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-visualkei', 'loc-asia-japan']
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-07-19'
'TIT2' (Title/songname/content description)         'レトロ・フューチャー'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '183400'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'メリー'
'TPE2' (Band/orchestra/accompaniment)               'メリー'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'HAPPY HOUSE'
'TRCK' (Track number/Position in set)               '8/15'
'TSO2'                                              'MERRY'
'TSOP' (Performer sort order)                       'MERRY'
'TSRC' (ISRC (international standard recording code))  'JPVI00625390'
'TXXX:ASIN'                                         'B000FZDNYK'
'TXXX:Acoustid Id'                                  '717fd75c-84c2-462a-89c4-bc51281d3820'
'TXXX:Artists'                                      'メリー'
'TXXX:BARCODE'                                      '4988002507429'
'TXXX:CATALOGNUMBER'                                'VICL-61987'
'TXXX:MusicBrainz Album Artist Id'                  '724a879a-77a9-44e7-89c8-8c600cc92861'
'TXXX:MusicBrainz Album Id'                         '6015b8de-ba36-448a-bd6b-10fe2178cea7'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '724a879a-77a9-44e7-89c8-8c600cc92861'
'TXXX:MusicBrainz Release Group Id'                 'cc0ed7b2-470f-3008-8b7c-cb2ff57fb499'
'TXXX:MusicBrainz Release Track Id'                 '26f455dc-22a2-381b-ac71-7ef253b3f217'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['j-rock', 'visual kei', 'japanese', 'eroguro', 'jrock', 'rock']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.64 dB'
'TXXX:replaygain_track_peak'                        '0.325350'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4608be65-0ead-4211-b77d-6ac446ece79e')

========================== row from database ==========================
                                              'id'  449155
                                            'path'  /data/Music/Bulk/00localcharacter/Merii/PEEP SHOW/08 RETRO FUTURE.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  183
                                           'genre'  loc-asia-japan-jrock-visualkei;loc-asia-japan
                                        'filesize'  7403913
                                           'mtime'  1638545245
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Merii 08 RETRO FUTURE loc asia japan jrock visualkei;loc asia japan
                                      'tag_artist'  メリー
                                     'tag_release'  PEEP SHOW
                                       'tag_title'  レトロ・フューチャー
                                             'bpm'  141.413
                                    'search_title'  'huyutiya':4 'retoro':3 'フューチャー':2 'レトロ':1
                                   'search_artist'  'meri':2 'メリー':1
                                  'search_release'  'peep':1 'show':2
                                     'search_rest'  'asia':5 'future':3 'japan':6 'jrock':7 'loc':4,9,11 'merii':1 'retro':2 'visualkei':8,10
                                    'search_combo'  'asia':13 'future':11 'huyutiya':4A 'japan':14 'jrock':15 'loc':12,17,19 'meri':6B 'merii':9 'peep':7C 'retoro':3A 'retro':10 'show':8C 'visualkei':16,18 'フューチャー':2A 'メリー':5B 'レトロ':1A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['j-rock', 'visual kei', 'japanese', 'eroguro', 'jrock', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1638545245.268586  (2021-12-03 16:27:25)
                             'size'  7403913