======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '257'
                                          'artist'  'Ningen Isu'
                                     'text_people'  ''
                                         'release'  'ペテン師と空気男〜人間椅子傑作選'
                                           'title'  '天国に結ぶ恋'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['heavy metal', 'japanese', 'hard rock', 'doom metal', 'progressive rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '15'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'eid-metal;loc-asia-japan'
                                             'bpm'  '96.6'
                                             'key'  '11A'
                                        'acoustid'  'e7a44b1c-cb50-42a2-920d-06aa0c12c96d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'ペテン師と空気男〜人間椅子傑作選'
'TBPM' (BPM (beats per minute))                     '96.6'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal', 'loc-asia-japan']
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994-09-21'
'TIT2' (Title/songname/content description)         '天国に結ぶ恋'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ningen-Isu'
'TPE2' (Band/orchestra/accompaniment)               'Ningen Isu'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'meldac'
'TRCK' (Track number/Position in set)               '9/15'
'TSO2'                                              'Ningen Isu'
'TSOP' (Performer sort order)                       'Ningen Isu'
'TXXX:Acoustid Id'                                  'e7a44b1c-cb50-42a2-920d-06aa0c12c96d'
'TXXX:Artists'                                      'Ningen Isu'
'TXXX:BARCODE'                                      '4988030006772'
'TXXX:CATALOGNUMBER'                                'MECR-30054'
'TXXX:MusicBrainz Album Artist Id'                  'd4933075-efd7-4845-9fea-cdd8b63d3216'
'TXXX:MusicBrainz Album Id'                         '37a80933-315f-4bfd-9272-ff3afdac5c6c'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'd4933075-efd7-4845-9fea-cdd8b63d3216'
'TXXX:MusicBrainz Release Group Id'                 'a2c85724-017d-4b5b-9506-54f12f423610'
'TXXX:MusicBrainz Release Track Id'                 '3d26be84-98da-3328-9dfc-eec3e7f6f211'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['heavy metal', 'japanese', 'hard rock', 'doom metal', 'progressive rock']
'TXXX:originalyear'                                 '1994'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.492692'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'14733aa4-64e1-486d-a2ba-d9fbe3859460')

========================== row from database ==========================
                                              'id'  1215321
                                            'path'  /data/Music/Bulk/00dwimp/Ningen Isu/1994 - Petenshi to Kuuki Otoko/09 Ningen-Isu - Tengoku ni Musubu Koi.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  257
                                           'genre'  eid-metal;loc-asia-japan
                                        'filesize'  6232963
                                           'mtime'  1620301521
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 1994 Petenshi to Kuuki Otoko 09 Tengoku ni Musubu Koi eid metal;loc asia japan
                                      'tag_artist'  Ningen Isu
                                     'tag_release'  ペテン師と空気男〜人間椅子傑作選
                                       'tag_title'  天国に結ぶ恋
                                             'bpm'  96.6
                                    'search_title'  '天国ni結hu恋':2 '天国に結ぶ恋':1
                                   'search_artist'  'isu':2 'ningen':1
                                  'search_release'  'heten師to空気男':3 'ペテン師と空気男':1 '人間椅子傑作選':2,4
                                     'search_rest'  '00dwimp':1 '1994':2 'asia':16 'eid':11 'japan':17 'koi':10 'kuuki':5 'loc':13,15 'metal':12,14 'musubu':9 'ni':8 'otoko':6 'petenshi':3 'tengoku':7 'to':4
                                    'search_combo'  '00dwimp':9 '1994':10 'asia':24 'eid':19 'heten師to空気男':7C 'isu':4B 'japan':25 'koi':18 'kuuki':13 'loc':21,23 'metal':20,22 'musubu':17 'ni':16 'ningen':3B 'otoko':14 'petenshi':11 'tengoku':15 'to':12 'ペテン師と空気男':5C '人間椅子傑作選':6C,8C '天国ni結hu恋':2A '天国に結ぶ恋':1A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['heavy metal', 'japanese', 'hard rock', 'doom metal', 'progressive rock']
                                        'tag_date'  1994
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301521.1583579  (2021-05-06 13:45:21)
                             'size'  6232963