======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '126'
                                          'artist'  'Björk'
                                     'text_people'  ''
                                         'release'  'Post'
                                           'title'  'Cover Me'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']"
                                     'discogstags'  "['electronic', 'jazz', 'progressive house', 'leftfield', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;ifs-songwriter-eos;loc-iceland'
                                             'bpm'  '102'
                                             'key'  '8A'
                                        'acoustid'  '9d78c71c-7aca-469d-b6e9-8aaf93e3ce8e'
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)                     'Post'
'TBPM' (BPM (beats per minute))                     '102'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'ifs-songwriter-eos', 'loc-iceland']
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '2006-07-10'
'TIT2' (Title/songname/content description)         'Cover Me'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'DualDisc (CD side)'
'TPE1' (Lead performer(s)/Soloist(s))               'Björk'
'TPE2' (Band/orchestra/accompaniment)               'Björk'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'One Little Indian Records'
'TRCK' (Track number/Position in set)               '10/11'
'TSO2'                                              'Björk'
'TSOP' (Performer sort order)                       'Björk'
'TSRC' (ISRC (international standard recording code))  'GBAKY9500006'
'TXXX:ASIN'                                         'B000G73SKG'
'TXXX:Acoustid Id'                                  '9d78c71c-7aca-469d-b6e9-8aaf93e3ce8e'
'TXXX:Artists'                                      'Björk'
'TXXX:BARCODE'                                      '5016958072704'
'TXXX:CATALOGNUMBER'                                'tplp51dual'
'TXXX:MusicBrainz Album Artist Id'                  '87c5dedd-371d-4a53-9f7f-80522fb7f3cb'
'TXXX:MusicBrainz Album Id'                         '242ebcde-cbb8-3b8a-8276-2f264712fa7e'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '87c5dedd-371d-4a53-9f7f-80522fb7f3cb'
'TXXX:MusicBrainz Release Group Id'                 'b2a6e057-087d-3ae5-a6e5-7f5fa39808ff'
'TXXX:MusicBrainz Release Track Id'                 'a328de4d-c40d-30ac-b06f-b449f2f5eaaf'
'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', 'jazz', 'progressive house', 'leftfield', 'big beat']
'TXXX:lastfmtags'                                   ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.41 dB'
'TXXX:replaygain_track_peak'                        '0.920594'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5ce0208f-1841-4626-b2e7-9bc5c5c2f156')
'USLT::XXX'                                         ('While I crawl into the unknown\r\n'
 'Cover me\r\n'
 '\r\n'
 "I'm going hunting for mysteries\r\n"
 'Cover me\r\n'
 '\r\n'
 "I'm going to prove the impossible really exists\r\n"
 'This is really dangerous\r\n'
 'Cover me\r\n'
 '\r\n'
 'But worth all the effort\r\n'
 'Cover me\r\n'
 '\r\n'
 "I'm going to prove the impossible really exists")

========================== row from database ==========================
                                              'id'  1293293
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bjork/post/Bj_rk - Cover Me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  126
                                           'genre'  electronic-unsorted;ifs-songwriter-eos;loc-iceland
                                        'filesize'  2094002
                                           'mtime'  1642256394
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Bjork post Bj_rk electronic unsorted;ifs songwriter eos;loc iceland
                                      'tag_artist'  Björk
                                     'tag_release'  Post
                                       'tag_title'  Cover Me
                                             'bpm'  102.0
                                    'search_title'  'cover':1 'me':2
                                   'search_artist'  'bjork':1,2
                                  'search_release'  'post':1
                                     'search_rest'  '00poprockelectronic':1 'bj':4 'bjork':2 'electronic':6 'eos':12,14 'iceland':16 'ifs':8,10 'loc':13,15 'post':3 'rk':5 'songwriter':11 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':6 'bj':9 'bjork':3B,4B,7 'cover':1A 'electronic':11 'eos':17,19 'iceland':21 'ifs':13,15 'loc':18,20 'me':2A 'post':5C,8 'rk':10 'songwriter':16 'unsorted':12,14
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'jazz', 'progressive house', 'leftfield', 'big beat']

============================== file details ==============================
                                           'mtime'  1642256394.178117  (2022-01-15 15:19:54)
                             'size'  2094002