======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '77'
                                          'artist'  'Yasutaka Nakata'
                                     'text_people'  ''
                                         'release'  'contemode V.A.'
                                           'title'  'contemode F.M. 〜コンテモードの休日〜'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'japanese', 'techno', 'soundtrack', 'j-pop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico;set-pl-sced'
                                             'bpm'  '100'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'contemode V.A.'
'TBPM' (BPM (beats per minute))                     '100'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-beeps or chip or pico', 'set-pl-sced']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-10-22'
'TIT2' (Title/songname/content description)         'contemode F.M. 〜コンテモードの休日〜'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Yasutaka Nakata'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'contemode'
'TRCK' (Track number/Position in set)               '7/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Nakata, Yasutaka'
'TXXX:ASIN'                                         'B0000C16T4'
'TXXX:Artists'                                      'Yasutaka Nakata'
'TXXX:BARCODE'                                      '4542519001711'
'TXXX:CATALOGNUMBER'                                'YCCW-00043'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '0d50aaee-043c-47de-b6e5-ed1fde5d1204'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '53bfc28e-2c48-4776-8949-1953c78dd187'
'TXXX:MusicBrainz Release Group Id'                 '40a060a7-b015-49f1-877a-bfd64cf632a8'
'TXXX:MusicBrainz Release Track Id'                 'a05645c8-150d-4575-85fe-e05ce90ebd31'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'japanese', 'techno', 'soundtrack', 'j-pop']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.46 dB'
'TXXX:replaygain_track_peak'                        '0.524846'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3eb3821d-4cd8-4d17-b09c-c5c5bc096372')

========================== row from database ==========================
                                              'id'  1382618
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/[2003] Contemode V.A_/07 Contemode F.M..mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  77
                                           'genre'  electronic-we-beeps or chip or pico;set-pl-sced
                                        'filesize'  1864823
                                           'mtime'  1621627582
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy [2003] Contemode V.A_ 07 Contemode electronic we beeps or chip or pico;set pl sced
                                      'tag_artist'  Yasutaka Nakata
                                     'tag_release'  contemode V.A.
                                       'tag_title'  contemode F.M. 〜コンテモードの休日〜
                                             'bpm'  100.0
                                    'search_title'  'contemode':1 'f':2 'fm':4 'kontemotono休日':6 'm':3 'コンテモードの休日':5
                                   'search_artist'  'nakata':2 'yasutaka':1
                                  'search_release'  'a':3 'contemode':1 'v':2 'va':4
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 '2003':3,4 'a':7 'beeps':11 'chip':13 'contemode':5 'electronic':9 'or':12 'pico':14,16 'pl':18 'sced':19 'set':15,17 'v':6 'va':8 'we':10
                                    'search_combo'  '00beepy':14 '00poprockelectronic':13 '2003':15,16 'a':11C,19 'beeps':23 'chip':25 'contemode':1A,9C,17 'electronic':21 'f':2A 'fm':4A 'kontemotono休日':6A 'm':3A 'nakata':8B 'or':24 'pico':26,28 'pl':30 'sced':31 'set':27,29 'v':10C,18 'va':12C,20 'we':22 'yasutaka':7B 'コンテモードの休日':5A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['electronic', 'japanese', 'techno', 'soundtrack', 'j-pop']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621627581.8984873  (2021-05-21 22:06:21)
                             'size'  1864823