======================== unified (from filesystem) ========================
                                         'bitrate'  '193.72'
                                        'duration'  '289'
                                          'artist'  'Takagi Masakatsu'
                                     'text_people'  ''
                                         'release'  'Coieda'
                                           'title'  'New Flat'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-3', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['japanese', 'ambient', 'electronica', 'experimental', 'electronic']"
                                     'discogstags'  ("['abstract', 'downtempo', 'field recording', 'experimental', 'electronic', "
 "'non-music']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '15'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments-contemporary'
                                             'bpm'  '84.2'
                                             'key'  '2B'
                                        'acoustid'  '1106f10f-cc47-4047-b475-33fecee2b7c1'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '84.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments-contemporary'
'TDOR' (Original release time)                      '2004'
'TIT2' (Title/songname/content description)         'New Flat'
'TKEY' (Initial key)                                '2B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Takagi Masakatsu'
'TPE2' (Band/orchestra/accompaniment)               'Takagi Masakatsu'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'W+K Tokyo Lab'
'TRCK' (Track number/Position in set)               '2/15'
'TSO2'                                              'Takagi Masakatsu'
'TSOP' (Performer sort order)                       'Takagi Masakatsu'
'TXXX:ASIN'                                         'B0002MOLKQ'
'TXXX:Acoustid Id'                                  '1106f10f-cc47-4047-b475-33fecee2b7c1'
'TXXX:Artists'                                      'Takagi Masakatsu'
'TXXX:CATALOGNUMBER'                                'MTCD-1042'
'TXXX:MusicBrainz Album Artist Id'                  '477d1c52-3100-4493-a049-473d8f183e23'
'TXXX:MusicBrainz Album Id'                         'b1f05b61-0369-41df-922d-702e05b16c18'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '477d1c52-3100-4493-a049-473d8f183e23'
'TXXX:MusicBrainz Release Group Id'                 'dc7736ea-2654-3875-b1ac-ec16f633cba6'
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'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:date'                                         ['2004-08-20', '2004']
'TXXX:discogstags'                                  ['abstract',
 'downtempo',
 'field recording',
 'experimental',
 'electronic',
 'non-music']
'TXXX:lastfmtags'                                   ['japanese', 'ambient', 'electronica', 'experimental', 'electronic']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.75 dB'
'TXXX:replaygain_track_peak'                        '0.999261'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'119c7eed-8cdb-43ab-9c4e-33a03882b931')

========================== row from database ==========================
                                              'id'  1483179
                                            'path'  /data/Music/Bulk/00poprockelectronic/takagi masakatsu/Takagi Masakatsu [Coieda] 02 New Flat.mp3
                                         'working'  None
                                         'bitrate'  193
                                    'duration_sec'  289
                                           'genre'  prerock-classical or classical instruments-contemporary
                                        'filesize'  7071633
                                           'mtime'  1637329823
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic takagi masakatsu [Coieda] 02 prerock classical or classical instruments contemporary
                                      'tag_artist'  Takagi Masakatsu
                                     'tag_release'  Coieda
                                       'tag_title'  New Flat
                                             'bpm'  84.2
                                    'search_title'  'flat':2 'new':1
                                   'search_artist'  'masakatsu':2 'takagi':1
                                  'search_release'  'coieda':1
                                     'search_rest'  '00poprockelectronic':1 'classical':7 'coieda':4,5 'contemporary':10 'instruments':9 'masakatsu':3 'or':8 'prerock':6 'takagi':2
                                    'search_combo'  '00poprockelectronic':6 'classical':12 'coieda':5C,9,10 'contemporary':15 'flat':2A 'instruments':14 'masakatsu':4B,8 'new':1A 'or':13 'prerock':11 'takagi':3B,7
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-3', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1']
                                      'lastfmtags'  ['japanese', 'ambient', 'electronica', 'experimental', 'electronic']
                                        'tag_date'  2004
                                     'discogstags'  ['abstract', 'downtempo', 'field recording', 'experimental', 'electronic', 'non-music']

============================== file details ==============================
                                           'mtime'  1637329823.1066258  (2021-11-19 14:50:23)
                             'size'  7071633