LMX:
measure key:fifths:4 clef:G2 staff:1 clef:F4 staff:2 C4 voice:1 whole natural staff:1 chord E4 whole chord A4 whole backup whole A2 voice:5 whole staff:2 chord A3 whole measure B3 voice:1 whole staff:1 chord E4 whole chord B4 whole backup whole G2 voice:5 whole natural staff:2 chord G3 whole natural measure B3 voice:1 quarter stem:up staff:1 chord F4 quarter chord A4 quarter B3 quarter chord E4 quarter chord G4 quarter natural C4 quarter natural chord E4 quarter chord F4 quarter E4 eighth beam:begin D4 eighth beam:end backup whole forward half forward quarter F3 voice:2 quarter stem:down staff:1 chord B3 quarter backup whole D2 voice:5 quarter stem:up staff:2 chord D3 quarter E2 quarter chord E3 quarter A1 quarter chord A2 quarter B1 quarter chord B2 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="53" width="532.62">
      <print>
        <staff-layout number="1">
          <staff-distance>73.65</staff-distance>
          </staff-layout>
        <staff-layout number="2">
          <staff-distance>65.00</staff-distance>
          </staff-layout>
        </print>
      <attributes><divisions>12</divisions>
        <key>
          <fifths>4</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><direction placement="below">
        <direction-type>
          <dynamics default-x="6.50" default-y="-40.00" relative-x="-40.07" relative-y="-36.55">
            <f />
            </dynamics>
          </direction-type>
        <staff>1</staff>
        <sound dynamics="106.67" />
        </direction>
      <note default-x="122.06" default-y="-163.65">
        <pitch>
          <step>C</step>
          <octave>4</octave>
          </pitch>
        <duration>48</duration>
        <voice>1</voice>
        <type>whole</type>
        <accidental>natural</accidental>
        <staff>1</staff>
        </note>
      <note default-x="122.06" default-y="-153.65">
        <chord />
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>48</duration>
        <voice>1</voice>
        <type>whole</type>
        <staff>1</staff>
        </note>
      <note default-x="122.06" default-y="-138.65">
        <chord />
        <pitch>
          <step>A</step>
          <octave>4</octave>
          </pitch>
        <duration>48</duration>
        <voice>1</voice>
        <type>whole</type>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <direction placement="below">
        <direction-type>
          <dynamics default-x="6.50" default-y="-40.00" relative-y="-27.69">
            <sfz />
            </dynamics>
          </direction-type>
        <staff>2</staff>
        <sound dynamics="124.44" />
        </direction>
      <note default-x="122.06" default-y="-253.65">
        <pitch>
          <step>A</step>
          <octave>2</octave>
          </pitch>
        <duration>48</duration>
        <voice>5</voice>
        <type>whole</type>
        <staff>2</staff>
        </note>
      <note default-x="122.06" default-y="-218.65">
        <chord />
        <pitch>
          <step>A</step>
          <octave>3</octave>
          </pitch>
        <duration>48</duration>
        <voice>5</voice>
        <type>whole</type>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="54" width="328.04">
      <note default-x="25.01" default-y="-168.65">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>48</duration>
        <voice>1</voice>
        <type>whole</type>
        <staff>1</staff>
        </note>
      <note default-x="25.01" default-y="-153.65">
        <chord />
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>48</duration>
        <voice>1</voice>
        <type>whole</type>
        <staff>1</staff>
        </note>
      <note default-x="25.01" default-y="-133.65">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>48</duration>
        <voice>1</voice>
        <type>whole</type>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note default-x="25.01" default-y="-258.65">
        <pitch>
          <step>G</step>
          <octave>2</octave>
          </pitch>
        <duration>48</duration>
        <voice>5</voice>
        <type>whole</type>
        <accidental>natural</accidental>
        <staff>2</staff>
        </note>
      <note default-x="25.01" default-y="-223.65">
        <chord />
        <pitch>
          <step>G</step>
          <octave>3</octave>
          </pitch>
        <duration>48</duration>
        <voice>5</voice>
        <type>whole</type>
        <accidental>natural</accidental>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="55" width="392.71">
      <note default-x="24.86" default-y="-168.65">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="24.86" default-y="-148.65">
        <chord />
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="24.86" default-y="-138.65">
        <chord />
        <pitch>
          <step>A</step>
          <octave>4</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="110.99" default-y="-168.65">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="110.99" default-y="-153.65">
        <chord />
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="110.99" default-y="-143.65">
        <chord />
        <pitch>
          <step>G</step>
          <octave>4</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>natural</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="197.12" default-y="-163.65">
        <pitch>
          <step>C</step>
          <octave>4</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>natural</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="197.12" default-y="-153.65">
        <chord />
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="209.02" default-y="-148.65">
        <chord />
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="283.25" default-y="-153.65">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="337.08" default-y="-158.65">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <forward>
        <duration>36</duration>
        </forward>
      <note default-x="283.25" default-y="-183.65">
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>2</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <note default-x="283.25" default-y="-168.65">
        <chord />
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>2</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note default-x="24.86" default-y="-273.65">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="24.86" default-y="-238.65">
        <chord />
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="110.99" default-y="-268.65">
        <pitch>
          <step>E</step>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="110.99" default-y="-233.65">
        <chord />
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="197.12" default-y="-288.65">
        <pitch>
          <step>A</step>
          <octave>1</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="197.12" default-y="-253.65">
        <chord />
        <pitch>
          <step>A</step>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="283.25" default-y="-283.65">
        <pitch>
          <step>B</step>
          <octave>1</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="283.25" default-y="-248.65">
        <chord />
        <pitch>
          <step>B</step>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      </measure>
    </part></score-partwise>