======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '189'
                                          'artist'  'Polysics'
                                     'text_people'  'Hiroyuki Hayashi'
                                         'release'  'Polysics or Die!!!!'
                                           'title'  'Each Life Each End'
                                           'quals'  "['q-bass-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '18'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'Electronic'
                                             'bpm'  '100.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x002\x00C\x002\x00D\x00+\x005\x003\x000\x000\x00+\x008\x001\x007\x004\x00+\x00B\x005\x00D\x002\x00+\x00F\x000\x004\x00E\x00+\x001\x003\x008\x006\x000\x00+\x001\x007\x001\x00E\x003\x00+\x001\x00B\x005\x00A\x006\x00+\x001\x00E\x009\x001\x009\x00+\x002\x002\x003\x00E\x007\x00+\x002\x005\x005\x00F\x004\x00+\x002\x008\x00E\x002\x00B\x00+\x002\x00B\x00F\x00D\x009\x00+\x002\x00F\x007\x008\x00D\x00+\x003\x004\x000\x00C\x00B\x00+\x003\x008\x006\x002\x001\x00+\x003\x00C\x004\x00C\x007\x00+\x003\x00D\x004\x002\x003\x00\x00\x00')
'PRIV:AverageLevel:Q&\x00\x00'                      PRIV(owner='AverageLevel', data=b'Q&\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x003\x001\x002\x008\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x007\x007\x000\x004\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x006\x000\x000\x006\x005\x009\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x003\x001\x002\x008\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x007\x007\x000\x004\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x006\x000\x000\x006\x005\x009\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x0e{ýú\x9e¹U@\x83¡®\x93\x1c\x96®J'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x0e{\xfd\xfa\x9e\xb9U@\x83\xa1\xae\x93\x1c\x96\xaeJ')
'PRIV:WM/WMCollectionID:\x0e{ýú\x9e¹U@\x83¡®\x93\x1c\x96®J'  PRIV(owner='WM/WMCollectionID', data=b'\x0e{\xfd\xfa\x9e\xb9U@\x83\xa1\xae\x93\x1c\x96\xaeJ')
'PRIV:WM/WMContentID:\x17ðjÅÈ\x19¢B\x83Zq:\x00ñ\x07Á'  PRIV(owner='WM/WMContentID', data=b'\x17\xf0j\xc5\xc8\x19\xa2B\x83Zq:\x00\xf1\x07\xc1')
'TALB' (Album/Movie/Show title)                     'Polysics or Die!!!!'
'TBPM' (BPM (beats per minute))                     '100.7'
'TCMP'                                              '0'
'TCOM' (Composer)                                   'Hiroyuki Hayashi'
'TCON' (Content type, a.k.a. Genre)                 'Electronic'
'TDRC' (Recording time)                             '2004-05-19'
'TDRL' (Release time)                               '2004-05-19'
'TDTG' (Tagging time)                               '2007-11-07 20:47:11'
'TIT2' (Title/songname/content description)         'Each Life Each End'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '190133'
'TPE1' (Lead performer(s)/Soloist(s))               'POLYSICS'
'TPE2' (Band/orchestra/accompaniment)               'Polysics'
'TPUB' (Publisher)                                  'Tofu'
'TRCK' (Track number/Position in set)               '14/18'
'TSOP' (Performer sort order)                       'POLYSICS'
'TXXX:MusicBrainz Album Artist'                     'POLYSICS'
'TXXX:MusicBrainz Album Artist Id'                  'b7d567df-e26b-4da1-b29d-f903f0ff9bbc'
'TXXX:MusicBrainz Album Artist Sortname'            'POLYSICS'
'TXXX:MusicBrainz Album Id'                         'd18908b1-f817-42c5-8706-5b5cc4f6c28b'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'b7d567df-e26b-4da1-b29d-f903f0ff9bbc'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '744bc966-9deb-d206-4e41-9c1fe07279be'
'TXXX:MusicMagic Data'                              'AgEA41b5loyMmpUqgW7xCVi3gAGCcI7owvCYr2X6uzMj8IABlJrGU7SvpXmaIYg+gcakk1yOgAFS9uvFC4/HMd0M5v63Fij7gAKAAanWmgenTINx9dRROYwBgkCLX9V9n85i/9t5GwGR445l2ga00K+/uDqbhYGNggpQCIMXTafg/hkL1Rblmvd2uT4ouIVxgP0='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'deb25d8c-d4a7-40f2-bac8-1a6eb6479568')

========================== row from database ==========================
                                              'id'  1538320
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Polysics/Each Life Each End.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  189
                                           'genre'  Electronic
                                        'filesize'  7602918
                                           'mtime'  1662800236
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1] Electronic
                                      'tag_artist'  Polysics
                                     'tag_release'  Polysics or Die!!!!
                                       'tag_title'  Each Life Each End
                                             'bpm'  100.7
                                    'search_title'  'each':1 'end':3 'life':2
                                   'search_artist'  'polysics':1
                                  'search_release'  'die':3 'or':2 'polysics':1
                                     'search_rest'  '0yay1':2,3 'electronic':4 'prev':5 'prevset':1 'set':6
                                    'search_combo'  '0yay1':9,10 'die':7C 'each':1A 'electronic':11 'end':3A 'life':2A 'or':6C 'polysics':4B,5C 'prev':12 'prevset':8 'set':13
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['q-bass-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800235.8430004  (2022-09-10 10:57:15)
                             'size'  7602918