======================== unified (from filesystem) ========================
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                                        'duration'  '256'
                                          'artist'  'Sun Dawei'
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                                           'title'  'Crawing State'
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                                      'lastfmtags'  "['ambient', 'chinese', 'electronic', 'idm', 'all']"
                                     'discogstags'  "['folk, world, & country', 'electronic', 'stage & screen', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-asia-china'
                                             'bpm'  '121.921'
                                             'key'  '10A'
                                        'acoustid'  'ac2e26fa-4e68-49b7-87e3-d7c139fa7ebe'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:rating@winamp.com'                            POPM(email='rating@winamp.com', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'An Anthology of Chinese Experimental Music 1992-2008'
'TBPM' (BPM (beats per minute))                     '121.921'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-china'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Crawing State'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sun Dawei'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/4'
'TPUB' (Publisher)                                  'Sub Rosa'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Sun Dawei'
'TXXX:ASIN'                                         'B002D1A9J6'
'TXXX:Acoustid Id'                                  'ac2e26fa-4e68-49b7-87e3-d7c139fa7ebe'
'TXXX:Artists'                                      'Sun Dawei'
'TXXX:BARCODE'                                      '5411867112655'
'TXXX:CATALOGNUMBER'                                'SR265'
'TXXX:COMPILATION'                                  '1'
'TXXX:DISCTOTAL'                                    '4'
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'TXXX:MusicBrainz Album Id'                         '4b84425b-443a-44ed-b856-c5d4b6c8bdda'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:TRACKTOTAL'                                   '12'
'TXXX:discogstags'                                  ['folk, world, & country', 'electronic', 'stage & screen', 'ambient']
'TXXX:lastfmtags'                                   ['ambient', 'chinese', 'electronic', 'idm', 'all']
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.43 dB'
'TXXX:replaygain_track_peak'                        '0.658141'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ad6551ff-e9e2-4649-a8cf-e843beba3c54')

========================== row from database ==========================
                                              'id'  1398276
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/An Anthology Of Chinese Experimental Music 1992-2008 Disc 2 (2009, Sub Rosa SR265)/01 Sun Dawei - Crawling State.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  256
                                           'genre'  loc-asia-china
                                        'filesize'  10340031
                                           'mtime'  1621629101
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Of Disc (2009, Sub Rosa SR265) 01 Crawling loc asia china
                                      'tag_artist'  Sun Dawei
                                     'tag_release'  An Anthology of Chinese Experimental Music 1992-2008
                                       'tag_title'  Crawing State
                                             'bpm'  121.921
                                    'search_title'  'crawing':1 'state':2
                                   'search_artist'  'dawei':2 'sun':1
                                  'search_release'  '1992':7 '19922008':9 '2008':8 'an':1 'anthology':2 'chinese':4 'experimental':5 'music':6 'of':3
                                     'search_rest'  '00asia':1 '2009':4,5 'asia':12 'china':13 'crawling':10 'disc':3 'loc':11 'of':2 'rosa':7 'sr265':8,9 'sub':6
                                    'search_combo'  '00asia':14 '1992':11C '19922008':13C '2008':12C '2009':17,18 'an':5C 'anthology':6C 'asia':25 'china':26 'chinese':8C 'crawing':1A 'crawling':23 'dawei':4B 'disc':16 'experimental':9C 'loc':24 'music':10C 'of':7C,15 'rosa':20 'sr265':21,22 'state':2A 'sub':19 'sun':3B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'chinese', 'electronic', 'idm', 'all']
                                        'tag_date'  2009
                                     'discogstags'  ['folk, world, & country', 'electronic', 'stage & screen', 'ambient']

============================== file details ==============================
                                           'mtime'  1621629100.5638595  (2021-05-21 22:31:40)
                             'size'  10340031