======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '295'
                                          'artist'  'John Coltrane'
                                     'text_people'  'Ozzie Cadena/Wilbur Harden'
                                         'release'  'radio jazz 13'
                                           'title'  'B.J.'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                                      'lastfmtags'  "['free jazz', 'avant garde', 'jazz', 'saxophone', 'bebop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '95.7'
                                             'key'  '5B'
                                        '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 \x005\x008\x009\x005\x009\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x006\x005\x008\x005\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x005\x000\x007\x009\x007\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x008\x009\x005\x009\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x006\x005\x008\x005\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x005\x000\x007\x009\x007\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:`«Ú\x9c]í\x14M\x88ægäXgøÕ'  PRIV(owner='WM/WMCollectionGroupID', data=b'`\xab\xda\x9c]\xed\x14M\x88\xe6g\xe4Xg\xf8\xd5')
'PRIV:WM/WMCollectionID:`«Ú\x9c]í\x14M\x88ægäXgøÕ'  PRIV(owner='WM/WMCollectionID', data=b'`\xab\xda\x9c]\xed\x14M\x88\xe6g\xe4Xg\xf8\xd5')
'PRIV:WM/WMContentID:ÃOKÃs;pG\x8b\x02m\x80Ò¹<÷'     PRIV(owner='WM/WMContentID', data=b'\xc3OK\xc3s;pG\x8b\x02m\x80\xd2\xb9<\xf7')
'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '95.7'
'TCOM' (Composer)                                   'Ozzie Cadena/Wilbur Harden'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'B.J.'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Coltrane'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Denon Records'
'TRCK' (Track number/Position in set)               '05'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 320 Kbit/s, Stereo, High quality'
'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:lastfmtags'                                   ['free jazz', 'avant garde', 'jazz', 'saxophone', 'bebop']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.68 dB'
'TXXX:replaygain_track_peak'                        '0.960898'

========================== row from database ==========================
                                              'id'  1482303
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/John Coltrane - bj.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  295
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  11811797
                                           'mtime'  1620541449
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic bj prerock jb unsorted
                                      'tag_artist'  John Coltrane
                                     'tag_release'  radio jazz 13
                                       'tag_title'  B.J.
                                             'bpm'  95.7
                                    'search_title'  'b':1 'bj':3 'j':2
                                   'search_artist'  'coltrane':2 'john':1
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'bj':2 'jb':4 'prerock':3 'unsorted':5
                                    'search_combo'  '00poprockelectronic':8 'b':1A 'bj':3A,9 'coltrane':5B 'j':2A 'jazz':7C 'jb':11 'john':4B 'prerock':10 'radio':6C 'unsorted':12
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['free jazz', 'avant garde', 'jazz', 'saxophone', 'bebop']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541449.4728358  (2021-05-09 08:24:09)
                             'size'  11811797