LMX:
measure key:fifths:-1 clef:G2 staff:1 clef:F4 staff:2 F4 voice:1 whole staff:1 tied:start chord A4 whole tied:start backup whole rest voice:5 half staff:2 F3 half stem:down measure F4 voice:1 breve staff:1 tied:stop chord A4 breve tied:stop print-object:no rest whole backup breve backup whole F3 voice:5 breve staff:2 grace D3 16th stem:up beam:begin beam:begin slur:start grace E3 16th beam:end beam:end F3 half stem:down slur:stop slur:start E3 half slur:stop


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="20" width="417.50">
      <print>
        <staff-layout number="1">
          <staff-distance>59.40</staff-distance>
          </staff-layout>
        <staff-layout number="2">
          <staff-distance>60.00</staff-distance>
          </staff-layout>
        </print>
      <attributes><divisions>16</divisions>
        <key>
          <fifths>-1</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="77.88" default-y="-431.01">
        <pitch>
          <step>F</step>
          <octave>4</octave>
          </pitch>
        <duration>64</duration>
        <tie type="start" />
        <voice>1</voice>
        <type>whole</type>
        <staff>1</staff>
        <notations>
          <tied type="start" />
          </notations>
        </note>
      <note default-x="77.88" default-y="-421.01">
        <chord />
        <pitch>
          <step>A</step>
          <octave>4</octave>
          </pitch>
        <duration>64</duration>
        <tie type="start" />
        <voice>1</voice>
        <type>whole</type>
        <staff>1</staff>
        <notations>
          <tied type="start" />
          </notations>
        </note>
      <backup>
        <duration>64</duration>
        </backup>
      <note>
        <rest />
        <duration>32</duration>
        <voice>5</voice>
        <type>half</type>
        <staff>2</staff>
        </note>
      <note default-x="247.27" default-y="-506.01">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>32</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="21" width="1297.14">
      <direction placement="below">
        <direction-type>
          <words default-y="-40.00" relative-x="105.00" relative-y="-35.00" font-style="italic">col basso</words>
          </direction-type>
        <staff>1</staff>
        </direction>
      <note default-x="13.25" default-y="-431.01">
        <pitch>
          <step>F</step>
          <octave>4</octave>
          </pitch>
        <duration>128</duration>
        <tie type="stop" />
        <voice>1</voice>
        <type>breve</type>
        <staff>1</staff>
        <notations>
          <tied type="stop" />
          </notations>
        </note>
      <note default-x="13.25" default-y="-421.01">
        <chord />
        <pitch>
          <step>A</step>
          <octave>4</octave>
          </pitch>
        <duration>128</duration>
        <tie type="stop" />
        <voice>1</voice>
        <type>breve</type>
        <staff>1</staff>
        <notations>
          <tied type="stop" />
          </notations>
        </note>
      <note print-object="no">
        <rest />
        <duration>64</duration>
        <voice>1</voice>
        <type>whole</type>
        <staff>1</staff>
        </note>
      <backup>
        <duration>192</duration>
        </backup>
      <note default-x="13.25" default-y="-506.01">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>128</duration>
        <voice>5</voice>
        <type>breve</type>
        <staff>2</staff>
        </note>
      <note default-x="660.05" default-y="-516.01">
        <grace />
        <pitch>
          <step>D</step>
          <octave>3</octave>
          </pitch>
        <voice>5</voice>
        <type>16th</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">begin</beam>
        <beam number="2">begin</beam>
        <notations>
          <slur type="start" placement="below" number="1" />
          </notations>
        </note>
      <note default-x="670.89" default-y="-511.01">
        <grace />
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <voice>5</voice>
        <type>16th</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">end</beam>
        <beam number="2">end</beam>
        </note>
      <note default-x="682.49" default-y="-506.01">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>32</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        <notations>
          <slur type="stop" number="1" />
          <slur type="start" placement="above" number="1" />
          </notations>
        </note>
      <note default-x="986.16" default-y="-511.01">
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>32</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        <notations>
          <slur type="stop" number="1" />
          </notations>
        </note>
      <barline location="right">
        <bar-style>light-light</bar-style>
        </barline>
      </measure>
    </part></score-partwise>