LMX:
measure key:fifths:4 clef:G2 staff:1 clef:F4 staff:2 G4 voice:1 quarter stem:up staff:1 A4 quarter sharp F4 quarter double-sharp G4 quarter backup whole C4 voice:2 whole staff:1 backup whole E3 voice:5 half stem:up staff:2 D3 half backup whole A2 voice:6 half dot sharp stem:up staff:2 G2 quarter stem:down measure A4 voice:1 quarter sharp stem:up staff:1 B4 quarter C5 quarter A4 quarter backup whole C4 voice:2 whole staff:1 backup whole F2 voice:5 half double-sharp stem:up staff:2 chord D3 half E2 quarter chord C3 quarter C2 quarter chord E3 quarter measure A3 voice:1 quarter sharp stem:up staff:1 chord F4 quarter double-sharp B3 quarter chord G4 quarter C4 quarter chord A4 quarter sharp D4 quarter chord B4 quarter backup whole D2 voice:5 half stem:up staff:2 chord D3 half rest half


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="22" width="455.56">
      <print>
        <staff-layout number="1">
          <staff-distance>78.06</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="123.08" default-y="-148.06">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="199.97" default-y="-143.06">
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>sharp</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="276.86" default-y="-153.06">
        <pitch>
          <step>F</step>
          <alter>2</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>double-sharp</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="353.75" default-y="-148.06">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>8</duration>
        </backup>
      <note default-x="122.12" default-y="-168.06">
        <pitch>
          <step>C</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>8</duration>
        <voice>2</voice>
        <type>whole</type>
        <staff>1</staff>
        </note>
      <backup>
        <duration>8</duration>
        </backup>
      <note default-x="123.08" default-y="-238.06">
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="276.86" default-y="-243.06">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <backup>
        <duration>8</duration>
        </backup>
      <note default-x="123.08" default-y="-258.06">
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>2</octave>
          </pitch>
        <duration>6</duration>
        <voice>6</voice>
        <type>half</type>
        <dot />
        <accidental>sharp</accidental>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="353.75" default-y="-263.06">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>2</octave>
          </pitch>
        <duration>2</duration>
        <voice>6</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="23" width="387.14">
      <note default-x="18.40" default-y="-143.06">
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>sharp</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="114.96" default-y="-138.06">
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="211.52" default-y="-133.06">
        <pitch>
          <step>C</step>
          <alter>1</alter>
          <octave>5</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="288.77" default-y="-143.06">
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>8</duration>
        </backup>
      <note default-x="17.44" default-y="-168.06">
        <pitch>
          <step>C</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>8</duration>
        <voice>2</voice>
        <type>whole</type>
        <staff>1</staff>
        </note>
      <backup>
        <duration>8</duration>
        </backup>
      <note default-x="18.40" default-y="-268.06">
        <pitch>
          <step>F</step>
          <alter>2</alter>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <accidental>double-sharp</accidental>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="18.40" default-y="-243.06">
        <chord />
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="211.52" default-y="-273.06">
        <pitch>
          <step>E</step>
          <octave>2</octave>
          </pitch>
        <duration>2</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="211.52" default-y="-248.06">
        <chord />
        <pitch>
          <step>C</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>2</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="288.77" default-y="-283.06">
        <pitch>
          <step>C</step>
          <alter>1</alter>
          <octave>2</octave>
          </pitch>
        <duration>2</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="288.77" default-y="-238.06">
        <chord />
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>2</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="24" width="358.89">
      <note default-x="20.66" default-y="-178.06">
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>sharp</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="20.66" default-y="-153.06">
        <chord />
        <pitch>
          <step>F</step>
          <alter>2</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>double-sharp</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="95.42" default-y="-173.06">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="95.42" default-y="-148.06">
        <chord />
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="170.18" default-y="-168.06">
        <pitch>
          <step>C</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="170.18" default-y="-143.06">
        <chord />
        <pitch>
          <step>A</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>sharp</accidental>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="263.63" default-y="-163.06">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="263.63" default-y="-138.06">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>8</duration>
        </backup>
      <note default-x="20.66" default-y="-278.06">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="20.66" default-y="-243.06">
        <chord />
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note>
        <rest />
        <duration>4</duration>
        <voice>5</voice>
        <type>half</type>
        <staff>2</staff>
        </note>
      </measure>
    </part></score-partwise>