LMX:
measure key:fifths:2 clef:G2 staff:1 clef:F4 staff:2 rest voice:1 rest:measure staff:1 backup whole rest voice:5 rest:measure staff:2 backup whole rest voice:6 rest:measure staff:2 measure rest voice:1 rest:measure staff:1 backup whole rest voice:5 rest:measure staff:2 measure rest voice:1 rest:measure staff:1 backup whole rest voice:5 rest:measure staff:2 measure rest voice:1 rest:measure staff:1 backup whole rest voice:5 rest:measure staff:2 measure rest voice:1 rest:measure staff:1 backup whole rest voice:5 rest:measure staff:2 measure rest voice:1 rest:measure staff:1 backup whole rest voice:5 rest:measure staff:2 measure rest voice:1 rest:measure staff:1 backup whole rest voice:5 rest:measure staff:2 measure rest voice:1 half staff:1 rest quarter backup half backup quarter rest voice:5 half staff:2 rest 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="1" width="218.48">
      <print>
        <staff-layout number="1">
          <staff-distance>0.00</staff-distance>
          </staff-layout>
        <staff-layout number="2">
          <staff-distance>0.00</staff-distance>
          </staff-layout>
        </print>
      <attributes>
        <divisions>12</divisions>
        <key>
          <fifths>2</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 measure="yes" />
        <duration>48</duration>
        <voice>1</voice>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>5</voice>
        <staff>2</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>6</voice>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="2" width="119.79">
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>1</voice>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>5</voice>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="3" width="133.89">
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>1</voice>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>5</voice>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="4" width="107.92">
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>1</voice>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>5</voice>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="5" width="144.11">
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>1</voice>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>5</voice>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="6" width="134.81">
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>1</voice>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>5</voice>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="7" width="161.02">
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>1</voice>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note>
        <rest measure="yes" />
        <duration>48</duration>
        <voice>5</voice>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="8" width="124.97">
      <note>
        <rest />
        <duration>24</duration>
        <voice>1</voice>
        <type>half</type>
        <staff>1</staff>
        </note>
      <note>
        <rest />
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <staff>1</staff>
        </note>
      <backup>
        <duration>36</duration>
        </backup>
      <note>
        <rest />
        <duration>24</duration>
        <voice>5</voice>
        <type>half</type>
        <staff>2</staff>
        </note>
      <note>
        <rest />
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <staff>2</staff>
        </note>
      <barline location="right">
        <bar-style>light-heavy</bar-style>
        </barline>
      </measure>
    </part></score-partwise>