======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '223'
                                          'artist'  'Yoshio Owa'
                                     'text_people'  ''
                                         'release'  "NieA's Loco"
                                           'title'  'Like a hula blues'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['soundtrack', 'acoustic', 'theme', 'blues', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '15'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '114.3'
                                             'key'  '7A'
                                        'acoustid'  '511f6610-bdd8-40e1-ba4a-f5de4bace533'
rest: ''

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

'APIC:Part of folded booklet'                       type PictureType.COVER_FRONT (Cover (front)) b'Part of folded booklet'
                                     
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     "NieA's Loco"
'TBPM' (BPM (beats per minute))                     '114.3'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-07-26'
'TIT2' (Title/songname/content description)         'Like a hula blues'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Yoshio Owa'
'TPE2' (Band/orchestra/accompaniment)               'Yoshio Owa'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Pioneer LDC'
'TRCK' (Track number/Position in set)               '7/15'
'TSO2'                                              'Owa, Yoshio'
'TSOP' (Performer sort order)                       'Owa, Yoshio'
'TSRC' (ISRC (international standard recording code))  'JPPI00051960'
'TXXX:ASIN'                                         'B00005FXUT'
'TXXX:Acoustid Id'                                  '511f6610-bdd8-40e1-ba4a-f5de4bace533'
'TXXX:Artists'                                      'Yoshio Owa'
'TXXX:CATALOGNUMBER'                                'PICA-1210'
'TXXX:MusicBrainz Album Artist Id'                  '3350abbe-aad1-4b55-bcc8-fe40ee556d4f'
'TXXX:MusicBrainz Album Id'                         'b65e05ec-f6f8-477c-9d40-52d03a2145e2'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        '3350abbe-aad1-4b55-bcc8-fe40ee556d4f'
'TXXX:MusicBrainz Release Group Id'                 '34024e26-20af-32cc-aa02-10e9b376877c'
'TXXX:MusicBrainz Release Track Id'                 '65b4a969-97de-3396-801e-72f934892707'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['soundtrack', 'acoustic', 'theme', 'blues', 'stage & screen']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.98 dB'
'TXXX:replaygain_track_peak'                        '0.614840'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7edf8fcc-260a-4038-98e2-5896f9bcfafe')

========================== row from database ==========================
                                              'id'  1476605
                                            'path'  /data/Music/Bulk/0soundtrack/NieA_7/07_LIKE_A_HULA_BLUES.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  223
                                           'genre'  soundtrack-video
                                        'filesize'  3638771
                                           'mtime'  1621490029
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack NieA_7 07_LIKE_A_HULA_BLUES soundtrack video
                                      'tag_artist'  Yoshio Owa
                                     'tag_release'  NieA's Loco
                                       'tag_title'  Like a hula blues
                                             'bpm'  114.3
                                    'search_title'  'a':2 'blues':4 'hula':3 'like':1
                                   'search_artist'  'owa':2 'yoshio':1
                                  'search_release'  'a':6 'as':8 'loco':4 'nie':5 'niea':1 'nieas':3 's':2,7
                                     'search_rest'  '07':4 '0soundtrack':1 '7':3,13 'a':6,12 'blues':8 'hula':7 'like':5 'nie':11 'niea':2 'soundtrack':9 'video':10
                                    'search_combo'  '07':18 '0soundtrack':15 '7':17,27 'a':2A,12C,20,26 'as':14C 'blues':4A,22 'hula':3A,21 'like':1A,19 'loco':10C 'nie':11C,25 'niea':7C,16 'nieas':9C 'owa':6B 's':8C,13C 'soundtrack':23 'video':24 'yoshio':5B
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2000
                                     'discogstags'  ['soundtrack', 'acoustic', 'theme', 'blues', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1621490028.5731497  (2021-05-20 07:53:48)
                             'size'  3638771