======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '214'
                                          'artist'  'Mogwai'
                                     'text_people'  'M. Delaney/T. Smith'
                                         'release'  'Mr. Beast'
                                           'title'  'Glasgow Mega-Snake'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'indie', 'alternative', 'post rock']"
                                     'discogstags'  "['electronic', 'rock', 'leftfield', 'art rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '86.659'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:=*\x00\x00'                      PRIV(owner='AverageLevel', data=b'=*\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\x007\x009\x009\x009\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x007\x004\x008\x001\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x007\x003\x004\x007\x005\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x007\x009\x009\x009\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x007\x004\x008\x001\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x007\x003\x004\x007\x005\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\\ÍÒ>7\x94®E°¦A`*åÑ}'  PRIV(owner='WM/WMCollectionGroupID', data=b'\\\xcd\xd2>7\x94\xaeE\xb0\xa6A`*\xe5\xd1}')
'PRIV:WM/WMCollectionID:\\ÍÒ>7\x94®E°¦A`*åÑ}'       PRIV(owner='WM/WMCollectionID', data=b'\\\xcd\xd2>7\x94\xaeE\xb0\xa6A`*\xe5\xd1}')
'PRIV:WM/WMContentID:¡µñ\x9c\rmC¸ÿ3rÓV6Æ'          PRIV(owner='WM/WMContentID', data=b'\xc2\xa1\xb5\xf1\x9c\rmC\xb8\xff3r\xd3V6\xc6')
'TALB' (Album/Movie/Show title)                     'Mr. Beast'
'TBPM' (BPM (beats per minute))                     '86.659'
'TCOM' (Composer)                                   'M. Delaney/T. Smith'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Glasgow Mega-Snake'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mogwai'
'TPE2' (Band/orchestra/accompaniment)               'Mogwai'
'TPUB' (Publisher)                                  'Day By Day Entertainment'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'leftfield', 'art rock']
'TXXX:lastfmtags'                                   ['instrumental', 'indie', 'alternative', 'post rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.311510'

========================== row from database ==========================
                                              'id'  1306041
                                            'path'  /data/Music/Bulk/00poprockelectronic/Mogwai/Mr. Beast/02 - glasgow mega-snake.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  214
                                           'genre'  rock-post
                                        'filesize'  6057866
                                           'mtime'  1678905646
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 glasgow mega snake rock post
                                      'tag_artist'  Mogwai
                                     'tag_release'  Mr. Beast
                                       'tag_title'  Glasgow Mega-Snake
                                             'bpm'  86.659
                                    'search_title'  'glasgow':1 'mega':2 'megasnake':4 'snake':3
                                   'search_artist'  'mogwai':1
                                  'search_release'  'beast':3 'mr':1,2
                                     'search_rest'  '00poprockelectronic':1 'glasgow':2 'mega':3 'post':6 'rock':5 'snake':4
                                    'search_combo'  '00poprockelectronic':9 'beast':8C 'glasgow':1A,10 'mega':2A,11 'megasnake':4A 'mogwai':5B 'mr':6C,7C 'post':14 'rock':13 'snake':3A,12
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['instrumental', 'indie', 'alternative', 'post rock']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'leftfield', 'art rock']

============================== file details ==============================
                                           'mtime'  1678905645.630112  (2023-03-15 19:40:45)
                             'size'  6057866