======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '193'
                                          'artist'  'Sunahara Yoshinori'
                                     'text_people'  ''
                                         'release'  'Lovebeat'
                                           'title'  'Echo Endless Echo'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'japanese', 'chillout', 'electronica', 'groovesalad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '96'
                                             'key'  '10B'
                                        'acoustid'  '75eb517c-56ef-47bd-b1e1-3bcd7c3be9e4'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Lovebeat'
'TBPM' (BPM (beats per minute))                     '96'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Echo Endless Echo'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sunahara Yoshinori'
'TPE2' (Band/orchestra/accompaniment)               'Sunahara Yoshinori'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Bungalow'
'TRCK' (Track number/Position in set)               '6/10'
'TSO2'                                              'Yoshinori, Sunahara'
'TSOP' (Performer sort order)                       'Yoshinori, Sunahara'
'TXXX:Acoustid Id'                                  '75eb517c-56ef-47bd-b1e1-3bcd7c3be9e4'
'TXXX:Artists'                                      'Sunahara Yoshinori'
'TXXX:CATALOGNUMBER'                                'BUNG 106-2'
'TXXX:MusicBrainz Album Artist Id'                  '142cab6a-55a8-462a-8c3d-569d48e88709'
'TXXX:MusicBrainz Album Id'                         'ec2b9600-3f2f-3fe9-a728-0557ca3e2fa4'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '142cab6a-55a8-462a-8c3d-569d48e88709'
'TXXX:MusicBrainz Release Group Id'                 '977f3fdd-57fa-3b78-bc5d-7319964f3b48'
'TXXX:MusicBrainz Release Track Id'                 '820f0190-5098-392a-a80b-bf20450fd32f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronic', 'japanese', 'chillout', 'electronica', 'groovesalad']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.92 dB'
'TXXX:replaygain_track_peak'                        '0.638245'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f27e7e55-e289-44ac-8f58-37516a24913c')

========================== row from database ==========================
                                              'id'  924141
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/LOVEBEAT/06 - 砂原良徳 - echo endless echo.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  193
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4646246
                                           'mtime'  1636910120
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia LOVEBEAT 06 砂原良徳 echo endless echo electronic trip hop downtempo acid jazz
                                      'tag_artist'  Sunahara Yoshinori
                                     'tag_release'  Lovebeat
                                       'tag_title'  Echo Endless Echo
                                             'bpm'  96.0
                                    'search_title'  'echo':1 'endless':2
                                   'search_artist'  'sunahara':1 'yoshinori':2
                                  'search_release'  'lovebeat':1
                                     'search_rest'  '00asia':1 'acid':10 'downtempo':9 'echo':4 'electronic':6 'endless':5 'hop':8 'jazz':11 'lovebeat':2 'trip':7 '砂原良徳':3
                                    'search_combo'  '00asia':6 'acid':15 'downtempo':14 'echo':1A,9 'electronic':11 'endless':2A,10 'hop':13 'jazz':16 'lovebeat':5C,7 'sunahara':3B 'trip':12 'yoshinori':4B '砂原良徳':8
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'japanese', 'chillout', 'electronica', 'groovesalad']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910119.5173144  (2021-11-14 18:15:19)
                             'size'  4646246