LMX:
measure key:fifths:4 clef:G2 staff:1 clef:F4 staff:2 D4 voice:1 eighth stem:up staff:1 beam:begin chord F4 eighth B3 eighth staff:2 D4 eighth staff:1 chord F4 eighth B3 eighth staff:2 beam:end backup half B2 voice:5 half stem:down staff:2 measure E4 voice:1 eighth stem:up staff:1 beam:begin chord G4 eighth natural B3 eighth staff:2 E4 eighth staff:1 chord G4 eighth B3 eighth staff:2 beam:end backup half E3 voice:5 half stem:down staff:2 measure G4 voice:1 eighth stem:up staff:1 beam:begin chord B4 eighth B3 eighth staff:2 E4 eighth staff:1 chord G4 eighth natural B3 eighth staff:2 beam:end backup half E3 voice:5 half stem:down staff:2 measure D4 voice:1 eighth stem:up staff:1 beam:begin chord F4 eighth B3 eighth staff:2 D4 eighth staff:1 chord F4 eighth B3 eighth staff:2 beam:end backup half B2 voice:5 half stem:down staff:2


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="21" width="357.92">
      <print>
        <staff-layout number="1">
          <staff-distance>65.00</staff-distance>
          </staff-layout>
        <staff-layout number="2">
          <staff-distance>65.00</staff-distance>
          </staff-layout>
        </print>
      <attributes><divisions>2</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><note default-x="109.97" default-y="-150.00">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="109.97" default-y="-140.00">
        <chord />
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="171.56" default-y="-205.00">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="233.14" default-y="-150.00">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="233.14" default-y="-140.00">
        <chord />
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="294.73" default-y="-205.00">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">end</beam>
        </note>
      <backup>
        <duration>4</duration>
        </backup>
      <note default-x="109.61" default-y="-240.00">
        <pitch>
          <step>B</step>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="22" width="271.00">
      <note default-x="18.52" default-y="-145.00">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="18.52" default-y="-135.00">
        <chord />
        <pitch>
          <step>G</step>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <accidental>natural</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="81.24" default-y="-205.00">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="143.96" default-y="-145.00">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="143.96" default-y="-135.00">
        <chord />
        <pitch>
          <step>G</step>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="206.68" default-y="-205.00">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">end</beam>
        </note>
      <backup>
        <duration>4</duration>
        </backup>
      <note default-x="18.16" default-y="-225.00">
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="23" width="290.88">
      <note default-x="12.72" default-y="-135.00">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="12.72" default-y="-125.00">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="81.86" default-y="-205.00">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="151.00" default-y="-145.00">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="151.00" default-y="-135.00">
        <chord />
        <pitch>
          <step>G</step>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <accidental>natural</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="220.14" default-y="-205.00">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">end</beam>
        </note>
      <backup>
        <duration>4</duration>
        </backup>
      <note default-x="12.36" default-y="-225.00">
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="24" width="274.57">
      <note default-x="26.63" default-y="-150.00">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="26.63" default-y="-140.00">
        <chord />
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="88.22" default-y="-205.00">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="149.80" default-y="-150.00">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="149.80" default-y="-140.00">
        <chord />
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="211.39" default-y="-205.00">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>1</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">end</beam>
        </note>
      <backup>
        <duration>4</duration>
        </backup>
      <note default-x="26.27" default-y="-240.00">
        <pitch>
          <step>B</step>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    </part></score-partwise>