======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '191'
                                          'artist'  'Sia'
                                     'text_people'  'Sia Furler / Lauren Flax'
                                         'release'  'We Are Born'
                                           'title'  "You've Changed"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['indie', 'downtempo', 'trip hop', 'female vocalists', 'chillout']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '14'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '120'
                                             'key'  '3A'
                                        'acoustid'  '126c3277-31ac-4fa8-95da-8e207b94e964'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'We Are Born'
'TBPM' (BPM (beats per minute))                     '120'
'TCOM' (Composer)                                   'Sia Furler / Lauren Flax'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TCOP' (Copyright message)                          '℗ 2010 Monkey Puzzle'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-06-22'
'TIT2' (Title/songname/content description)         "You've Changed"
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sia'
'TPE2' (Band/orchestra/accompaniment)               'Sia'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Jive/Monkey Puzzle Records'
'TRCK' (Track number/Position in set)               '4/14'
'TSO2'                                              'Sia'
'TSOP' (Performer sort order)                       'Sia'
'TSRC' (ISRC (international standard recording code))  'GBPNH1000004'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf57.71.100'
'TXXX:ASIN'                                         'B003MWHVLY'
'TXXX:Acoustid Id'                                  '126c3277-31ac-4fa8-95da-8e207b94e964'
'TXXX:Artists'                                      'Sia'
'TXXX:BARCODE'                                      '886977428326'
'TXXX:CATALOGNUMBER'                                '88697-74283-2'
'TXXX:MusicBrainz Album Artist Id'                  '2f548675-008d-4332-876c-108b0c7ab9c5'
'TXXX:MusicBrainz Album Id'                         'bc517252-3d99-4d7a-b193-17e7aca12c1a'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2f548675-008d-4332-876c-108b0c7ab9c5'
'TXXX:MusicBrainz Release Group Id'                 '8c96a577-2d35-404d-9d3f-c45813fea935'
'TXXX:MusicBrainz Release Track Id'                 'a546a3b8-5f57-3e17-b1fd-0466f4351327'
'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:TCMP'                                         '1'
'TXXX:account_id'                                   'doreen@l-p.com.au'
'TXXX:account_type'                                 '0'
'TXXX:compatible_brands'                            'M4A mp42isom'
'TXXX:discogstags'                                  'pop'
'TXXX:gapless_playback'                             '0'
'TXXX:iTunMOVI'                                     ('<?xml version="1.0" encoding="UTF-8"?>\n'
 '<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" '
 '"http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n'
 '<plist version="1.0">\n'
 '<dict>\n'
 '\t<key>asset-info</key>\n'
 '\t<dict>\n'
 '\t\t<key>file-size</key>\n'
 '\t\t<integer>6897098</integer>\n'
 '\t\t<key>flavor</key>\n'
 '\t\t<string>2:256</string>\n'
 '\t</dict>\n'
 '</dict>\n'
 '</plist>\n')
'TXXX:iTunNORM'                                     (' 00000D14 00000FF7 000044EB 00004362 00010821 0001D34D 00007E8B 00007E8B '
 '00003158 00002B8A')
'TXXX:iTunSMPB'                                     (' 00000000 00000840 00000194 0000000000808E2C 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TXXX:lastfmtags'                                   ['indie', 'downtempo', 'trip hop', 'female vocalists', 'chillout']
'TXXX:major_brand'                                  'M4A '
'TXXX:media_type'                                   '1'
'TXXX:minor_version'                                '0'
'TXXX:originalyear'                                 '2010'
'TXXX:purchase_date'                                '2010-06-17 17:11:58'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:rating'                                       '0'
'TXXX:replaygain_track_gain'                        '-0.27 dB'
'TXXX:replaygain_track_peak'                        '0.378636'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'cf47bcb6-9fd9-4b56-b6b8-e89bbb96178f')

========================== row from database ==========================
                                              'id'  1519015
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/We Are Born/04 You_ve Changed.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7728990
                                           'mtime'  1636910214
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 04 You_ve electronic trip hop downtempo acid jazz
                                      'tag_artist'  Sia
                                     'tag_release'  We Are Born
                                       'tag_title'  You've Changed
                                             'bpm'  120.0
                                    'search_title'  'changed':4 've':2 'you':1 'youve':3
                                   'search_artist'  'sia':1
                                  'search_release'  'are':2 'born':3 'we':1
                                     'search_rest'  '00poprockelectronic':1 'acid':10 'downtempo':9 'electronic':6 'hop':8 'indierock':3 'jazz':11 'poprock':2 'trip':7 've':5 'you':4
                                    'search_combo'  '00poprockelectronic':9 'acid':18 'are':7C 'born':8C 'changed':4A 'downtempo':17 'electronic':14 'hop':16 'indierock':11 'jazz':19 'poprock':10 'sia':5B 'trip':15 've':2A,13 'we':6C 'you':1A,12 'youve':3A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'downtempo', 'trip hop', 'female vocalists', 'chillout']
                                        'tag_date'  2010
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1636910213.6014316  (2021-11-14 18:16:53)
                             'size'  7728990