LMX:
measure key:fifths:1 clef:G2 staff:1 clef:F4 staff:2 rest voice:1 eighth staff:1 G4 eighth stem:up beam:begin slur:start chord C5 eighth C4 eighth beam:end slur:stop rest eighth G4 eighth beam:begin slur:start chord B4 eighth D4 eighth beam:end slur:stop backup half backup quarter E3 voice:5 quarter dot stem:down staff:2 chord G3 quarter dot F3 quarter dot natural chord G3 quarter dot measure rest voice:1 eighth staff:1 G4 eighth stem:up beam:begin slur:start chord C5 eighth C4 eighth beam:end slur:stop rest eighth G4 eighth beam:begin slur:start chord D5 eighth D4 eighth sharp beam:end slur:stop backup half backup quarter E3 voice:5 quarter dot stem:down staff:2 chord G3 quarter dot B2 quarter dot chord G3 quarter dot measure rest voice:1 eighth staff:1 G4 eighth stem:up beam:begin slur:start chord E5 eighth E4 eighth beam:end slur:stop rest eighth G4 eighth beam:begin slur:start chord E5 eighth E4 eighth beam:end slur:stop backup half backup quarter G3 voice:5 quarter dot stem:up staff:2 G3 quarter dot slur:start backup half backup quarter C3 voice:6 quarter dot stem:down staff:2 slur:stop C3 quarter dot measure rest voice:1 eighth staff:1 F4 eighth natural stem:up beam:begin slur:start chord B4 eighth D4 eighth beam:end slur:stop rest eighth F4 eighth beam:begin slur:start chord B4 eighth D4 eighth beam:end slur:stop backup half backup quarter G3 voice:5 half dot sharp stem:up staff:2 backup half backup quarter C3 voice:6 quarter dot stem:down staff:2 C3 quarter dot


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="48" width="369.68">
      <print>
        <staff-layout number="1">
          <staff-distance>113.80</staff-distance>
          </staff-layout>
        <staff-layout number="2">
          <staff-distance>71.10</staff-distance>
          </staff-layout>
        </print>
      <attributes><divisions>4</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>
        <rest />
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <staff>1</staff>
        </note>
      <note default-x="127.58" default-y="-183.80">
        <pitch>
          <step>G</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>
        <notations>
          <slur type="start" placement="below" number="2" />
          </notations>
        </note>
      <note default-x="127.58" default-y="-168.80">
        <chord />
        <pitch>
          <step>C</step>
          <octave>5</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="175.64" default-y="-203.80">
        <pitch>
          <step>C</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        <notations>
          <slur type="stop" number="2" />
          </notations>
        </note>
      <note>
        <rest />
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <staff>1</staff>
        </note>
      <note default-x="271.76" default-y="-183.80">
        <pitch>
          <step>G</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>
        <notations>
          <slur type="start" placement="below" number="2" />
          </notations>
        </note>
      <note default-x="271.76" default-y="-173.80">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="319.82" default-y="-198.80">
        <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">end</beam>
        <notations>
          <slur type="stop" number="2" />
          </notations>
        </note>
      <backup>
        <duration>12</duration>
        </backup>
      <note default-x="79.52" default-y="-279.90">
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="79.52" default-y="-269.90">
        <chord />
        <pitch>
          <step>G</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="211.80" default-y="-274.90">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <accidental>natural</accidental>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="223.70" default-y="-269.90">
        <chord />
        <pitch>
          <step>G</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="49" width="325.65">
      <note>
        <rest />
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <staff>1</staff>
        </note>
      <note default-x="84.14" default-y="-183.80">
        <pitch>
          <step>G</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>
        <notations>
          <slur type="start" placement="below" number="2" />
          </notations>
        </note>
      <note default-x="84.14" default-y="-168.80">
        <chord />
        <pitch>
          <step>C</step>
          <octave>5</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="132.08" default-y="-203.80">
        <pitch>
          <step>C</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        <notations>
          <slur type="stop" number="2" />
          </notations>
        </note>
      <note>
        <rest />
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <staff>1</staff>
        </note>
      <note default-x="227.97" default-y="-183.80">
        <pitch>
          <step>G</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>
        <notations>
          <slur type="start" placement="below" number="2" />
          </notations>
        </note>
      <note default-x="227.97" default-y="-163.80">
        <chord />
        <pitch>
          <step>D</step>
          <octave>5</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="275.91" default-y="-198.80">
        <pitch>
          <step>D</step>
          <alter>1</alter>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <accidental>sharp</accidental>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        <notations>
          <slur type="stop" number="2" />
          </notations>
        </note>
      <backup>
        <duration>12</duration>
        </backup>
      <note default-x="36.20" default-y="-279.90">
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="36.20" default-y="-269.90">
        <chord />
        <pitch>
          <step>G</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="180.03" default-y="-294.90">
        <pitch>
          <step>B</step>
          <octave>2</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="180.03" default-y="-269.90">
        <chord />
        <pitch>
          <step>G</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="50" width="256.63">
      <note>
        <rest />
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <staff>1</staff>
        </note>
      <note default-x="57.11" default-y="-183.80">
        <pitch>
          <step>G</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>
        <notations>
          <slur type="start" placement="below" number="2" />
          </notations>
        </note>
      <note default-x="57.11" default-y="-158.80">
        <chord />
        <pitch>
          <step>E</step>
          <octave>5</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <direction placement="below">
        <direction-type>
          <words default-y="-40.00" relative-y="-35.00" font-style="italic">sostenuto</words>
          </direction-type>
        <staff>1</staff>
        </direction>
      <note default-x="96.66" default-y="-193.80">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        <notations>
          <slur type="stop" number="2" />
          </notations>
        </note>
      <direction placement="above">
        <direction-type>
          <dashes type="stop" number="1" />
          </direction-type>
        <staff>1</staff>
        </direction>
      <note>
        <rest />
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <staff>1</staff>
        </note>
      <note default-x="175.74" default-y="-183.80">
        <pitch>
          <step>G</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>
        <notations>
          <slur type="start" placement="below" number="2" />
          </notations>
        </note>
      <note default-x="175.74" default-y="-158.80">
        <chord />
        <pitch>
          <step>E</step>
          <octave>5</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="215.29" default-y="-193.80">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        <notations>
          <slur type="stop" number="2" />
          </notations>
        </note>
      <backup>
        <duration>12</duration>
        </backup>
      <note default-x="17.57" default-y="-269.90">
        <pitch>
          <step>G</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="136.20" default-y="-269.90">
        <pitch>
          <step>G</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <slur type="start" placement="above" number="2" />
          </notations>
        </note>
      <backup>
        <duration>12</duration>
        </backup>
      <note default-x="17.57" default-y="-289.90">
        <pitch>
          <step>C</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>6</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        <notations>
          <slur type="stop" number="1" />
          </notations>
        </note>
      <note default-x="136.20" default-y="-289.90">
        <pitch>
          <step>C</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>6</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="51" width="332.24">
      <note>
        <rest />
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <staff>1</staff>
        </note>
      <direction placement="above">
        <direction-type>
          <dynamics default-x="6.50" default-y="8.93" relative-y="20.00">
            <sf />
            </dynamics>
          </direction-type>
        <staff>1</staff>
        <sound dynamics="100.00" />
        </direction>
      <note default-x="69.37" default-y="-188.80">
        <pitch>
          <step>F</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <accidental>natural</accidental>
        <stem>up</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        <notations>
          <slur type="start" placement="below" number="1" />
          </notations>
        </note>
      <note default-x="69.37" default-y="-173.80">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="121.59" default-y="-198.80">
        <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">end</beam>
        <notations>
          <slur type="stop" number="1" />
          </notations>
        </note>
      <note>
        <rest />
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <staff>1</staff>
        </note>
      <note default-x="226.01" default-y="-188.80">
        <pitch>
          <step>F</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>
        <notations>
          <slur type="start" placement="below" number="1" />
          </notations>
        </note>
      <note default-x="226.01" default-y="-173.80">
        <chord />
        <pitch>
          <step>B</step>
          <octave>4</octave>
          </pitch>
        <duration>2</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="278.23" default-y="-198.80">
        <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">end</beam>
        <notations>
          <slur type="stop" number="1" />
          </notations>
        </note>
      <backup>
        <duration>12</duration>
        </backup>
      <note default-x="17.16" default-y="-269.90">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>half</type>
        <dot />
        <accidental>sharp</accidental>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <backup>
        <duration>12</duration>
        </backup>
      <note default-x="17.16" default-y="-289.90">
        <pitch>
          <step>C</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>6</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="173.80" default-y="-289.90">
        <pitch>
          <step>C</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>6</voice>
        <type>quarter</type>
        <dot />
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    </part></score-partwise>