======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '353'
                                          'artist'  'Horace Silver Quintet'
                                     'text_people'  'Horace Silver'
                                         'release'  'radio jazz 13'
                                           'title'  'Mexican Hip Dance'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-3', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['jazz', 'jazzpiano', 'hard bop', 'piano', 'hsilver']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1966'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '129.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'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\x004\x007\x005\x008\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x007\x005\x004\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x008\x001\x009\x000\x006\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x004\x007\x005\x008\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x007\x005\x004\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x008\x001\x009\x000\x006\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:8\x907«ÍvrH¿y\x15\x0eáº\x8ay'  PRIV(owner='WM/WMCollectionGroupID', data=b'8\x907\xab\xcdvrH\xbfy\x15\x0e\xe1\xba\x8ay')
'PRIV:WM/WMCollectionID:8\x907«ÍvrH¿y\x15\x0eáº\x8ay'  PRIV(owner='WM/WMCollectionID', data=b'8\x907\xab\xcdvrH\xbfy\x15\x0e\xe1\xba\x8ay')
"PRIV:WM/WMContentID:\x0cLÊ'Ra\x86@\xadã¢\x9f¯4¢¼"  PRIV(owner='WM/WMContentID', data=b"\x0cL\xca'Ra\x86@\xad\xe3\xa2\x9f\xaf4\xa2\xbc")
'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '129.6'
'TCOM' (Composer)                                   'Horace Silver'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1966'
'TIT2' (Title/songname/content description)         'Mexican Hip Dance'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Horace Silver Quintet'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Blue Note'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'jazzpiano', 'hard bop', 'piano', 'hsilver']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-5.09 dB'
'TXXX:replaygain_track_peak'                        '0.904142'

========================== row from database ==========================
                                              'id'  1482228
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Horace Silver quintet - mexican hip dance.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  353
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  14156852
                                           'mtime'  1620541431
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic quintet mexican hip dance prerock jb unsorted
                                      'tag_artist'  Horace Silver Quintet
                                     'tag_release'  radio jazz 13
                                       'tag_title'  Mexican Hip Dance
                                             'bpm'  129.6
                                    'search_title'  'dance':3 'hip':2 'mexican':1
                                   'search_artist'  'horace':1 'quintet':3 'silver':2
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'dance':5 'hip':4 'jb':7 'mexican':3 'prerock':6 'quintet':2 'unsorted':8
                                    'search_combo'  '00poprockelectronic':9 'dance':3A,13 'hip':2A,12 'horace':4B 'jazz':8C 'jb':15 'mexican':1A,11 'prerock':14 'quintet':6B,10 'radio':7C 'silver':5B 'unsorted':16
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-2']
                                      'lastfmtags'  ['jazz', 'jazzpiano', 'hard bop', 'piano', 'hsilver']
                                        'tag_date'  1966
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620541430.8132362  (2021-05-09 08:23:50)
                             'size'  14156852