LMX:
measure key:fifths:5 clef:G2 staff:1 clef:F4 staff:2 rest voice:1 quarter staff:1 D4 quarter stem:up chord G4 quarter chord B4 quarter rest quarter E4 quarter chord G4 quarter chord C5 quarter backup whole B3 voice:2 half stem:down staff:1 slur:start C4 half slur:stop backup whole G3 voice:5 quarter stem:down staff:2 rest quarter E3 quarter rest quarter measure rest voice:1 quarter staff:1 D4 quarter stem:up chord F4 quarter double-sharp chord A4 quarter rest quarter D4 quarter chord G4 quarter chord B4 quarter backup whole A3 voice:2 half stem:down staff:1 B3 half backup whole D3 voice:5 quarter stem:down staff:2 rest quarter G2 quarter stem:up rest quarter measure rest voice:1 quarter staff:1 D4 quarter stem:up chord F4 quarter double-sharp chord A4 quarter rest quarter D4 quarter chord F4 quarter chord A4 quarter backup whole A3 voice:2 half stem:down staff:1 A3 half backup whole D2 voice:5 quarter stem:up staff:2 rest quarter D3 quarter stem:down rest quarter measure G4 voice:1 quarter stem:down staff:1 strong-accent chord B4 quarter chord G5 quarter G4 quarter strong-accent chord B4 quarter chord G5 quarter F4 quarter strong-accent chord A4 quarter chord F5 quarter rest quarter backup whole E2 voice:5 quarter stem:down staff:2 chord E3 quarter B3 quarter chord E4 quarter F2 quarter chord F3 quarter A3 quarter chord C4 quarter


MusicXML:
<?xml version='1.0' encoding='utf-8'?>
<score-partwise version="3.1"><part-list><score-part id="P2"><part-name>Piano</part-name></score-part></part-list><part id="P2"><measure number="50" width="436.77">
      <print>
        <staff-layout number="1">
          <staff-distance>90.85</staff-distance>
          </staff-layout>
        <staff-layout number="2">
          <staff-distance>97.85</staff-distance>
          </staff-layout>
        </print>
      <attributes><divisions>4</divisions>
        <key>
          <fifths>5</fifths>
          </key>
        <staves>2</staves>
        <clef number="1">
          <sign>G</sign>
          <line>2</line>
          </clef>
        <clef number="2">
          <sign>F</sign>
          <line>4</line>
          </clef>
        </attributes><note>
        <rest />
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <staff>1</staff>
        </note>
      <note default-x="192.34" default-y="-175.85">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="192.34" default-y="-160.85">
        <chord />
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="192.34" default-y="-150.85">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <staff>1</staff>
        </note>
      <note default-x="348.32" default-y="-170.85">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="348.32" default-y="-160.85">
        <chord />
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="348.32" default-y="-145.85">
        <chord />
        <pitch>
          <step>C</step>
          <alter>1</alter>
          <octave>5</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>16</duration>
        </backup>
      <note default-x="123.02" default-y="-185.85">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>8</duration>
        <voice>2</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>1</staff>
        <notations>
          <slur type="start" placement="below" number="1" />
          </notations>
        </note>
      <note default-x="279.00" default-y="-180.85">
        <pitch>
          <step>C</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>8</duration>
        <voice>2</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>1</staff>
        <notations>
          <slur type="stop" number="1" />
          </notations>
        </note>
      <backup>
        <duration>16</duration>
        </backup>
      <note default-x="123.02" default-y="-273.70">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <staff>2</staff>
        </note>
      <note default-x="279.00" default-y="-283.70">
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="51" width="337.15">
      <note>
        <rest />
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <staff>1</staff>
        </note>
      <note default-x="98.58" default-y="-175.85">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="98.58" default-y="-165.85">
        <chord />
        <pitch>
          <step>F</step>
          <alter>2</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>double-sharp</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="98.58" default-y="-155.85">
        <chord />
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <staff>1</staff>
        </note>
      <note default-x="250.79" default-y="-175.85">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="250.79" default-y="-160.85">
        <chord />
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="250.79" default-y="-150.85">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>16</duration>
        </backup>
      <note default-x="30.93" default-y="-190.85">
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>8</duration>
        <voice>2</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <note default-x="183.14" default-y="-185.85">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>8</duration>
        <voice>2</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>16</duration>
        </backup>
      <note default-x="30.93" default-y="-288.70">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <staff>2</staff>
        </note>
      <note default-x="183.14" default-y="-308.70">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="52" width="274.30">
      <note>
        <rest />
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <staff>1</staff>
        </note>
      <note default-x="77.25" default-y="-175.85">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="77.25" default-y="-165.85">
        <chord />
        <pitch>
          <step>F</step>
          <alter>2</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>double-sharp</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="77.25" default-y="-155.85">
        <chord />
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <staff>1</staff>
        </note>
      <note default-x="194.06" default-y="-175.85">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="194.06" default-y="-165.85">
        <chord />
        <pitch>
          <step>F</step>
          <alter>2</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="194.06" default-y="-155.85">
        <chord />
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>16</duration>
        </backup>
      <note default-x="18.84" default-y="-190.85">
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>8</duration>
        <voice>2</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <note default-x="135.65" default-y="-190.85">
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>8</duration>
        <voice>2</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>16</duration>
        </backup>
      <note default-x="18.84" default-y="-323.70">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <staff>2</staff>
        </note>
      <note default-x="135.65" default-y="-288.70">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="53" width="295.75">
      <direction placement="below">
        <direction-type>
          <dynamics default-x="3.25" default-y="-40.00" relative-x="-5.28" relative-y="-83.73">
            <f />
            </dynamics>
          </direction-type>
        <staff>1</staff>
        <sound dynamics="106.67" />
        </direction>
      <direction placement="below">
        <direction-type>
          <words default-y="-40.50" relative-x="1.80" relative-y="-50.00" font-style="italic">Plus lent</words>
          </direction-type>
        <staff>1</staff>
        </direction>
      <note default-x="21.32" default-y="-160.85">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        <notations>
          <articulations>
            <strong-accent type="up" />
            </articulations>
          </notations>
        </note>
      <note default-x="21.32" default-y="-150.85">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <note default-x="21.32" default-y="-125.85">
        <chord />
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>5</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <note default-x="85.47" default-y="-160.85">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        <notations>
          <articulations>
            <strong-accent type="up" />
            </articulations>
          </notations>
        </note>
      <note default-x="85.47" default-y="-150.85">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <note default-x="85.47" default-y="-125.85">
        <chord />
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>5</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <note default-x="149.62" default-y="-165.85">
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        <notations>
          <articulations>
            <strong-accent type="up" />
            </articulations>
          </notations>
        </note>
      <note default-x="149.62" default-y="-155.85">
        <chord />
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <note default-x="149.62" default-y="-130.85">
        <chord />
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>5</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <direction placement="below">
        <direction-type>
          <words default-y="-40.00" relative-x="-66.90" relative-y="-50.00" font-style="italic">Stretto</words>
          </direction-type>
        <staff>1</staff>
        </direction>
      <note>
        <rest />
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <staff>1</staff>
        </note>
      <backup>
        <duration>16</duration>
        </backup>
      <note default-x="21.32" default-y="-318.70">
        <pitch>
          <step>E</step>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="21.32" default-y="-283.70">
        <chord />
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="85.47" default-y="-263.70">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="85.47" default-y="-248.70">
        <chord />
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="149.62" default-y="-313.70">
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="149.62" default-y="-278.70">
        <chord />
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="213.76" default-y="-268.70">
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="213.76" default-y="-258.70">
        <chord />
        <pitch>
          <step>C</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    </part></score-partwise>