LMX:
measure key:fifths:-2 clef:G2 staff:1 clef:F4 staff:2 B3 voice:1 quarter stem:up staff:1 chord D4 quarter chord F4 quarter D4 quarter chord B4 quarter E4 quarter chord C5 quarter D4 eighth beam:begin chord B4 eighth F3 eighth staff:2 beam:end tied:start backup whole F3 voice:2 quarter stem:up staff:2 tied:stop backup quarter B1 voice:5 quarter stem:down staff:2 chord F2 quarter tied:stop chord B2 quarter B2 quarter chord F3 quarter B2 quarter chord G3 quarter B2 eighth beam:begin chord F3 eighth F2 eighth beam:end tied:start


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="23" width="1201.59">
      <print>
        <staff-layout number="1">
          <staff-distance>80.99</staff-distance>
          </staff-layout>
        <staff-layout number="2">
          <staff-distance>65.00</staff-distance>
          </staff-layout>
        </print>
      <attributes><divisions>4</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 default-x="92.98" default-y="-175.99">
        <pitch>
          <step>B</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="92.98" default-y="-165.99">
        <chord />
        <pitch>
          <step>D</step>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="92.98" default-y="-155.99">
        <chord />
        <pitch>
          <step>F</step>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="358.48" default-y="-165.99">
        <pitch>
          <step>D</step>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="358.48" default-y="-140.99">
        <chord />
        <pitch>
          <step>B</step>
          <alter>-1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="646.38" default-y="-160.99">
        <pitch>
          <step>E</step>
          <alter>-1</alter>
          <octave>4</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="646.38" default-y="-135.99">
        <chord />
        <pitch>
          <step>C</step>
          <octave>5</octave>
          </pitch>
        <duration>4</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="911.88" default-y="-165.99">
        <pitch>
          <step>D</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="911.88" default-y="-140.99">
        <chord />
        <pitch>
          <step>B</step>
          <alter>-1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="1055.83" default-y="-235.99">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>2</duration>
        <tie type="start" />
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <beam number="1">end</beam>
        <notations>
          <tied type="start" />
          </notations>
        </note>
      <backup>
        <duration>16</duration>
        </backup>
      <note default-x="92.98" default-y="-235.99">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <tie type="stop" />
        <voice>2</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <tied type="stop" />
          </notations>
        </note>
      <backup>
        <duration>4</duration>
        </backup>
      <direction placement="above">
        <direction-type>
          <words relative-x="15.00" relative-y="25.00" font-style="italic">più lento</words>
          </direction-type>
        <staff>2</staff>
        </direction>
      <note default-x="92.98" default-y="-290.99">
        <pitch>
          <step>B</step>
          <alter>-1</alter>
          <octave>1</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="92.98" default-y="-270.99">
        <chord />
        <pitch>
          <step>F</step>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <tie type="stop" />
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        <notations>
          <tied type="stop" />
          </notations>
        </note>
      <note default-x="92.98" default-y="-255.99">
        <chord />
        <pitch>
          <step>B</step>
          <alter>-1</alter>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="358.48" default-y="-255.99">
        <pitch>
          <step>B</step>
          <alter>-1</alter>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="358.48" default-y="-235.99">
        <chord />
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="646.38" default-y="-255.99">
        <pitch>
          <step>B</step>
          <alter>-1</alter>
          <octave>2</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="646.38" default-y="-230.99">
        <chord />
        <pitch>
          <step>G</step>
          <octave>3</octave>
          </pitch>
        <duration>4</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="911.88" default-y="-255.99">
        <pitch>
          <step>B</step>
          <alter>-1</alter>
          <octave>2</octave>
          </pitch>
        <duration>2</duration>
        <voice>5</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>2</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="911.88" default-y="-235.99">
        <chord />
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>2</duration>
        <voice>5</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="1055.83" default-y="-270.99">
        <pitch>
          <step>F</step>
          <octave>2</octave>
          </pitch>
        <duration>2</duration>
        <tie type="start" />
        <voice>5</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>2</staff>
        <beam number="1">end</beam>
        <notations>
          <tied type="start" />
          </notations>
        </note>
      </measure>
    </part></score-partwise>