======================== unified (from filesystem) ========================
                                         'bitrate'  '216.772'
                                        'duration'  '333'
                                          'artist'  '高木正勝'
                                     'text_people'  ''
                                         'release'  'Coieda'
                                           'title'  'Private Drawing'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'japanese', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '15'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '144.3'
                                             'key'  '4B'
                                        'acoustid'  'fdd8e00b-5d37-44e8-aecd-3c8fedd2d7b2'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Coieda'
'TBPM' (BPM (beats per minute))                     '144.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Private Drawing'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Takagi Masakatsu'
'TPE2' (Band/orchestra/accompaniment)               '高木正勝'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'W+K Tokyo Lab'
'TRCK' (Track number/Position in set)               '10/15'
'TSO2'                                              'Takagi, Masakatsu'
'TSOP' (Performer sort order)                       'Takagi, Masakatsu'
'TXXX:ASIN'                                         'B0002MOLKQ'
'TXXX:Acoustid Id'                                  'fdd8e00b-5d37-44e8-aecd-3c8fedd2d7b2'
'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: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'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'japanese', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.04 dB'
'TXXX:replaygain_track_peak'                        '0.363142'

========================== row from database ==========================
                                              'id'  1386101
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/高木正勝 - Takagi Masakatsu - Coieda V0/10 Private Drawing.mp3
                                         'working'  None
                                         'bitrate'  216
                                    'duration_sec'  333
                                           'genre'  electronic
                                        'filesize'  9040513
                                           'mtime'  1636913627
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Takagi Masakatsu V0 10 electronic
                                      'tag_artist'  高木正勝
                                     'tag_release'  Coieda
                                       'tag_title'  Private Drawing
                                             'bpm'  144.3
                                    'search_title'  'drawing':2 'private':1
                                   'search_artist'  '高木正勝':1
                                  'search_release'  'coieda':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':6 'masakatsu':4 'takagi':3 'v0':5
                                    'search_combo'  '00calmer':6 '00poprockelectronic':5 'coieda':4C 'drawing':2A 'electronic':10 'masakatsu':8 'private':1A 'takagi':7 'v0':9 '高木正勝':3B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  4B
                                           '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-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['electronica', 'electronic', 'japanese', 'experimental', 'ambient']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913627.2242157  (2021-11-14 19:13:47)
                             'size'  9040513