======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '171'
                                          'artist'  'ORANGE RANGE'
                                     'text_people'  ''
                                         'release'  'musiQ'
                                           'title'  'HUB STAR'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['j pop', 'jrock', 'japanese', 'anime', 'rock', 'j rock']"
                                     'discogstags'  "['alternative rock', 'j-pop', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '19'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '120.5'
                                             'key'  '12B'
                                        'acoustid'  '244e11da-304f-407a-beb7-776ab338ecc7'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000288F 0000269B 0000630C'
'COMM:iTunNORM:eng'                                 (' 0000288F 0000269B 0000630C 00005B7F 000186E5 00015FBE 00008000 00008000 '
 '00002710 00004E65')
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x003\x00+\x009\x006\x00+\x00E\x009\x006\x00+\x003\x005\x00B\x006\x00+\x006\x00F\x006\x003\x00+\x00B\x001\x00D\x00D\x00+\x00F\x005\x007\x00C\x00+\x001\x001\x00B\x00F\x003\x00+\x001\x006\x009\x00D\x001\x00+\x001\x00B\x000\x006\x000\x00+\x001\x00E\x008\x00D\x002\x00+\x002\x002\x006\x003\x002\x00+\x002\x008\x003\x001\x001\x00+\x002\x00C\x00D\x006\x006\x00+\x002\x00F\x004\x00C\x007\x00+\x003\x003\x002\x00E\x009\x00+\x003\x007\x00E\x000\x003\x00+\x003\x00B\x000\x005\x003\x00+\x003\x00F\x00A\x005\x007\x00+\x004\x004\x00F\x004\x00D\x00+\x004\x008\x00B\x005\x00B\x00\x00\x00')
'PRIV:AverageLevel:\x971\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x971\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'musiQ'
'TBPM' (BPM (beats per minute))                     '120.5'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'HUB STAR'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '171733'
'TPE1' (Lead performer(s)/Soloist(s))               'ORANGE RANGE'
'TPE2' (Band/orchestra/accompaniment)               'ORANGE RANGE'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '16/19'
'TSO2'                                              'Orange Range'
'TSOP' (Performer sort order)                       'Orange Range'
'TSRC' (ISRC (international standard recording code))  'JPSR00402456'
'TXXX:Acoustid Id'                                  '244e11da-304f-407a-beb7-776ab338ecc7'
'TXXX:Artists'                                      'ORANGE RANGE'
'TXXX:MusicBrainz Album Artist Id'                  'fee8e811-a2dc-4c09-8484-3c2aca38c3f9'
'TXXX:MusicBrainz Album Id'                         '17e3ab0f-82d7-444d-804a-d1d7b7ad73de'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fee8e811-a2dc-4c09-8484-3c2aca38c3f9'
'TXXX:MusicBrainz Release Group Id'                 '81dbc985-cb51-352c-a391-fa863371b57f'
'TXXX:MusicBrainz Release Track Id'                 '0e90bf8a-f3dc-3e21-92e4-a057390cbebc'
'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'                                       'Latn'
'TXXX:discogstags'                                  ['alternative rock', 'j-pop', 'pop', 'rock']
'TXXX:lastfmtags'                                   ['j pop', 'jrock', 'japanese', 'anime', 'rock', 'j rock']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.76 dB'
'TXXX:replaygain_track_peak'                        '0.377064'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'86912abe-3bcf-4529-a95b-af4fa3ff35ed')

========================== row from database ==========================
                                              'id'  1391256
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/ORANGE RANGE/muziQ/16 ＨＵＢ☆ＳＴＡＲ.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  171
                                           'genre'  loc-asia-japan
                                        'filesize'  6886384
                                           'mtime'  1622821614
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia muziQ 16 ＨＵＢ☆ＳＴＡＲ loc asia japan
                                      'tag_artist'  ORANGE RANGE
                                     'tag_release'  musiQ
                                       'tag_title'  HUB STAR
                                             'bpm'  120.5
                                    'search_title'  'hub':1 'star':2
                                   'search_artist'  'orange':1 'range':2
                                  'search_release'  'musi':2 'musiq':1 'q':3
                                     'search_rest'  '00asia':1 'asia':8 'hub':5 'japan':9 'loc':7 'muzi':10 'muziq':2 'q':11 'star':6 'ｈｕｂ':3 'ｓｔａｒ':4
                                    'search_combo'  '00asia':8 'asia':15 'hub':1A,12 'japan':16 'loc':14 'musi':6C 'musiq':5C 'muzi':17 'muziq':9 'orange':3B 'q':7C,18 'range':4B 'star':2A,13 'ｈｕｂ':10 'ｓｔａｒ':11
                                    'tag_tracknum'  16
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['j pop', 'jrock', 'japanese', 'anime', 'rock', 'j rock']
                                        'tag_date'  2004
                                     'discogstags'  ['alternative rock', 'j-pop', 'pop', 'rock']

============================== file details ==============================
                                           'mtime'  1622821613.79614  (2021-06-04 17:46:53)
                             'size'  6886384