======================== unified (from filesystem) ========================
                                         'bitrate'  '167.524'
                                        'duration'  '279'
                                          'artist'  'Björk'
                                     'text_people'  ''
                                         'release'  'Vespertine'
                                           'title'  'Aurora'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']"
                                     'discogstags'  ("['electronic', 'pop', 'abstract', 'glitch', 'idm', 'ethereal', 'downtempo', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '13'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;ifs-songwriter-eos;loc-iceland'
                                             'bpm'  '120'
                                             'key'  '4A'
                                        'acoustid'  '0e750af9-ae52-45db-aadc-c295a7013799'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'elektra'
'COMM:ID3v1 Comment:XXX'                            'elektra'
'TALB' (Album/Movie/Show title)                     'Vespertine'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'ifs-songwriter-eos', 'loc-iceland']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2008-03-26'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Aurora'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'SHM-CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Björk'
'TPE2' (Band/orchestra/accompaniment)               'Björk'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Polydor'
'TRCK' (Track number/Position in set)               '7/13'
'TSO2'                                              'Björk'
'TSOP' (Performer sort order)                       'Björk'
'TSRC' (ISRC (international standard recording code))  'GBBTF0100014/USEE10100736'
'TXXX:ASIN'                                         'B0012PYGR0'
'TXXX:Acoustid Id'                                  '0e750af9-ae52-45db-aadc-c295a7013799'
'TXXX:Artists'                                      'Björk'
'TXXX:BARCODE'                                      '4988005507228'
'TXXX:CATALOGNUMBER'                                'UICY-93446'
'TXXX:MusicBrainz Album Artist Id'                  '87c5dedd-371d-4a53-9f7f-80522fb7f3cb'
'TXXX:MusicBrainz Album Id'                         '21c2f498-5d17-4eb6-a4d4-456974ed743a'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '87c5dedd-371d-4a53-9f7f-80522fb7f3cb'
'TXXX:MusicBrainz Release Group Id'                 '271faeb3-fdd1-3ebb-80aa-97b3116e9341'
'TXXX:MusicBrainz Release Track Id'                 '805cb520-fa61-3878-99ce-0447ceb15288'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic',
 'pop',
 'abstract',
 'glitch',
 'idm',
 'ethereal',
 'downtempo',
 'experimental']
'TXXX:lastfmtags'                                   ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.14 dB'
'TXXX:replaygain_track_peak'                        '0.460594'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a8ecddff-32ff-4cb4-a711-982b4333eff6')
'USLT::XXX'                                         ('Threading\n'
 'The glacier head\n'
 'Looking hard for\n'
 'Moments of shine\n'
 'From twilight\n'
 'To twilight\n'
 'Utter mundane\n'
 '\n'
 'Aurora\n'
 'Goddess sparkle\n'
 'Shoot me\n'
 'Beyond this suffer\n'
 'The need\n'
 'Is great\n'
 'Aurora\n'
 'Utter mundane\n'
 '\n'
 'Aurora\n'
 'Goddess sparkle\n'
 'A mountain shade\n'
 'Suggests your shape\n'
 'I tumbled down\n'
 'On my knees\n'
 'Fill the mouth\n'
 'With snow\n'
 'The way it melts\n'
 'I wish\n'
 'To melt\n'
 'Into you\n'
 'Aurora\n'
 'Utter mundane\n'
 '\n'
 'Spark the sun off\n'
 'Spark the sun off\n'
 'Spark the sun off\n'
 'Spark the sun off me\n')

========================== row from database ==========================
                                              'id'  1348878
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bjork/vespertine/Bj_rk - Aurora.mp3
                                         'working'  None
                                         'bitrate'  168
                                    'duration_sec'  279
                                           'genre'  electronic-unsorted;ifs-songwriter-eos;loc-iceland
                                        'filesize'  5935448
                                           'mtime'  1642256410
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Bjork vespertine Bj_rk electronic unsorted;ifs songwriter eos;loc iceland
                                      'tag_artist'  Björk
                                     'tag_release'  Vespertine
                                       'tag_title'  Aurora
                                             'bpm'  120.0
                                    'search_title'  'aurora':1
                                   'search_artist'  'bjork':1,2
                                  'search_release'  'vespertine':1
                                     'search_rest'  '00poprockelectronic':1 'bj':4 'bjork':2 'electronic':6 'eos':12,14 'iceland':16 'ifs':8,10 'loc':13,15 'rk':5 'songwriter':11 'unsorted':7,9 'vespertine':3
                                    'search_combo'  '00poprockelectronic':5 'aurora':1A 'bj':8 'bjork':2B,3B,6 'electronic':10 'eos':16,18 'iceland':20 'ifs':12,14 'loc':17,19 'rk':9 'songwriter':15 'unsorted':11,13 'vespertine':4C,7
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'pop', 'abstract', 'glitch', 'idm', 'ethereal', 'downtempo', 'experimental']

============================== file details ==============================
                                           'mtime'  1642256410.1559176  (2022-01-15 15:20:10)
                             'size'  5935448