======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '331'
                                          'artist'  'Chick Corea'
                                     'text_people'  'Neville Potter'
                                         'release'  'Progsoup 38'
                                           'title'  'Looking at the World'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz piano', 'jazz fusion', 'jazz', 'fusion', 'piano']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '46'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '102.801'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:\x1d\x0c\x00\x00'                PRIV(owner='AverageLevel', data=b'\x1d\x0c\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\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 \x001\x003\x007\x000\x005\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x006\x006\x004\x006\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x002\x008\x008\x001\x002\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x003\x007\x000\x005\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x006\x006\x004\x006\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x002\x008\x008\x001\x002\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ø\x10¡Ùw¡AI\x9bE×jºZÊs'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xf8\x10\xa1\xd9w\xa1AI\x9bE\xd7j\xbaZ\xcas')
'PRIV:WM/WMCollectionID:ø\x10¡Ùw¡AI\x9bE×jºZÊs'     PRIV(owner='WM/WMCollectionID', data=b'\xf8\x10\xa1\xd9w\xa1AI\x9bE\xd7j\xbaZ\xcas')
'PRIV:WM/WMContentID:T\x0bN˦¯JC\x81\x94æ\x18TH;.'  PRIV(owner='WM/WMContentID', data=b'T\x0bN\xcb\xa6\xafJC\x81\x94\xe6\x18TH;.')
'TALB' (Album/Movie/Show title)                     'Progsoup 38'
'TBPM' (BPM (beats per minute))                     '102.801'
'TCOM' (Composer)                                   'Neville Potter'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Looking at the World'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '331240'
'TPE1' (Lead performer(s)/Soloist(s))               'Chick Corea'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Polygram'
'TRCK' (Track number/Position in set)               '46'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz piano', 'jazz fusion', 'jazz', 'fusion', 'piano']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.848458'

========================== row from database ==========================
                                              'id'  1414653
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 38 (fusionsoup)/2224 chick corea -  looking at the world.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  331
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7953105
                                           'mtime'  1620737311
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (fusionsoup) 2224 chick corea looking world rock cppex progressive
                                      'tag_artist'  Chick Corea
                                     'tag_release'  Progsoup 38
                                       'tag_title'  Looking at the World
                                             'bpm'  102.801
                                    'search_title'  'at':2 'looking':1 'the':3 'world':4
                                   'search_artist'  'chick':1 'corea':2
                                  'search_release'  '38':2 'progsoup':1
                                     'search_rest'  '2224':5 'chick':6 'classicprogpsy':1 'corea':7 'cppex':11 'fusionsoup':3,4 'looking':8 'progressive':12 'progsoup':2 'rock':10 'world':9
                                    'search_combo'  '2224':13 '38':8C 'at':2A 'chick':5B,14 'classicprogpsy':9 'corea':6B,15 'cppex':19 'fusionsoup':11,12 'looking':1A,16 'progressive':20 'progsoup':7C,10 'rock':18 'the':3A 'world':4A,17
                                    'tag_tracknum'  46
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jazz piano', 'jazz fusion', 'jazz', 'fusion', 'piano']
                                        'tag_date'  1975
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620737311.0179508  (2021-05-11 14:48:31)
                             'size'  7953105