======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '273'
                                          'artist'  'THE BACK HORN'
                                     'text_people'  ''
                                         'release'  '人間プログラム'
                                           'title'  'セレナーデ'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', '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-1']")
                                      'lastfmtags'  "['jrock', 'alternative', 'rock', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '11'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '126'
                                             'key'  '9A'
                                        'acoustid'  '9a143c94-ff94-4581-add7-90fea4c109be'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '[Ningen Program] - Serenade'
'COMM:ID3v1 Comment:XXX'                            '[Ningen Program] - Serenade'
'COMM:iTunNORM:eng'                                 (' 0000184D 00002206 00004B67 00006E08 0001FC15 00035BA5 00008000 00008000 '
 '0000C37E 0000C367')
'TALB' (Album/Movie/Show title)                     '人間プログラム'
'TBPM' (BPM (beats per minute))                     '126'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-10-17'
'TIT2' (Title/songname/content description)         'セレナーデ'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'THE BACK HORN'
'TPE2' (Band/orchestra/accompaniment)               'THE BACK HORN'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SPEEDSTAR'
'TRCK' (Track number/Position in set)               '2/11'
'TSO2'                                              'Back Horn, The'
'TSOP' (Performer sort order)                       'Back Horn, The'
'TXXX:ASIN'                                         'B00005Q7Y3'
'TXXX:Acoustid Id'                                  '9a143c94-ff94-4581-add7-90fea4c109be'
'TXXX:Artists'                                      'THE BACK HORN'
'TXXX:BARCODE'                                      '4988002421060'
'TXXX:CATALOGNUMBER'                                'VICL-60795'
'TXXX:MusicBrainz Album Artist Id'                  '05f4fbf4-d01f-4dac-bd66-9613e4db8044'
'TXXX:MusicBrainz Album Id'                         '6ace7929-d248-404e-9b64-b0a938d7ca71'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '05f4fbf4-d01f-4dac-bd66-9613e4db8044'
'TXXX:MusicBrainz Release Group Id'                 'c62d1d2b-4ccd-3c4e-a6c2-22766ca76d83'
'TXXX:MusicBrainz Release Track Id'                 '0f8e589c-0d1c-312e-85f9-205cba18d1f8'
'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:lastfmtags'                                   ['jrock', 'alternative', 'rock', 'japanese', 'j rock']
'TXXX:originalyear'                                 '2001'
'TXXX:other'                                        '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.333176'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1949b1fd-9193-4845-9f68-f5ce5560b724')

========================== row from database ==========================
                                              'id'  349999
                                            'path'  /data/Music/Bulk/00localcharacter/THE BACK HORN/[2001] 人間プログラム/02 セレナーデ.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  273
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  6583535
                                           'mtime'  1637020119
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter [2001] 02 loc asia japan;loc asia japan jrock
                                      'tag_artist'  THE BACK HORN
                                     'tag_release'  人間プログラム
                                       'tag_title'  セレナーデ
                                             'bpm'  126.0
                                    'search_title'  'serenate':2 'セレナーデ':1
                                   'search_artist'  'back':2 'horn':3 'the':1
                                  'search_release'  '人間hurokuramu':2 '人間プログラム':1
                                     'search_rest'  '2001':1,2 'asia':4 'japan':5,7,9 'jrock':10 'loc':3,6,8
                                    'search_combo'  '2001':8,9 'asia':11 'back':4B 'horn':5B 'japan':12,14,16 'jrock':17 'loc':10,13,15 'serenate':2A 'the':3B 'セレナーデ':1A '人間hurokuramu':7C '人間プログラム':6C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'alternative', 'rock', 'japanese', 'j rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637020119.064397  (2021-11-16 00:48:39)
                             'size'  6583535