LMX:
measure key:fifths:-4 clef:G2 staff:1 clef:F4 staff:2 F4 voice:1 half stem:up staff:1 chord A4 half tied:stop D4 half backup whole D3 voice:5 half stem:down staff:2 F3 half chord A3 half measure C4 voice:1 whole staff:1 backup whole A3 voice:5 whole staff:2 backup whole F3 voice:6 half flat stem:down staff:2 E3 half measure C4 voice:1 half stem:up staff:1 slur:start B3 eighth slur:stop rest eighth fermata F5 quarter stem:down slur:start backup whole D3 voice:5 half stem:down staff:2 tied:start chord A3 half tied:start D3 eighth tied:stop chord A3 eighth tied:stop rest eighth fermata 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="55" width="451.47">
      <print>
        <staff-layout number="1">
          <staff-distance>68.28</staff-distance>
          </staff-layout>
        <staff-layout number="2">
          <staff-distance>70.00</staff-distance>
          </staff-layout>
        </print>
      <attributes><divisions>12</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="108.78" default-y="-143.28">
        <pitch>
          <step>F</step>
          <octave>4</octave>
          </pitch>
        <duration>24</duration>
        <voice>1</voice>
        <type>half</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <note default-x="108.78" default-y="-133.28">
        <chord />
        <pitch>
          <step>A</step>
          <alter>-1</alter>
          <octave>4</octave>
          </pitch>
        <duration>24</duration>
        <tie type="stop" />
        <voice>1</voice>
        <type>half</type>
        <stem>up</stem>
        <staff>1</staff>
        <notations>
          <tied type="stop" />
          </notations>
        </note>
      <note default-x="238.02" default-y="-153.28">
        <pitch>
          <step>D</step>
          <alter>-1</alter>
          <octave>4</octave>
          </pitch>
        <duration>24</duration>
        <voice>1</voice>
        <type>half</type>
        <stem>up</stem>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note default-x="108.78" default-y="-238.28">
        <pitch>
          <step>D</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>24</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="238.02" default-y="-228.28">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>24</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="238.02" default-y="-218.28">
        <chord />
        <pitch>
          <step>A</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>24</duration>
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="56" width="322.54">
      <note default-x="16.56" default-y="-158.28">
        <pitch>
          <step>C</step>
          <octave>4</octave>
          </pitch>
        <duration>48</duration>
        <voice>1</voice>
        <type>whole</type>
        <staff>1</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note default-x="16.56" default-y="-218.28">
        <pitch>
          <step>A</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>48</duration>
        <voice>5</voice>
        <type>whole</type>
        <staff>2</staff>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note default-x="19.52" default-y="-228.28">
        <pitch>
          <step>F</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>24</duration>
        <voice>6</voice>
        <type>half</type>
        <accidental>flat</accidental>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      <note default-x="153.32" default-y="-233.28">
        <pitch>
          <step>E</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>24</duration>
        <voice>6</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="57" width="357.20">
      <note default-x="32.16" default-y="-158.28">
        <pitch>
          <step>C</step>
          <octave>4</octave>
          </pitch>
        <duration>24</duration>
        <voice>1</voice>
        <type>half</type>
        <stem>up</stem>
        <staff>1</staff>
        <notations>
          <slur type="start" placement="below" number="1" />
          </notations>
        </note>
      <note default-x="155.07" default-y="-163.28">
        <pitch>
          <step>B</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>1</staff>
        <notations>
          <slur type="stop" number="1" />
          </notations>
        </note>
      <note>
        <rest />
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <staff>1</staff>
        <notations>
          <fermata type="upright" relative-y="10.00" />
          </notations>
        </note>
      <note default-x="266.47" default-y="-108.28">
        <pitch>
          <step>F</step>
          <octave>5</octave>
          </pitch>
        <duration>12</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem>down</stem>
        <staff>1</staff>
        <notations>
          <slur type="start" placement="above" number="1" />
          </notations>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note default-x="32.16" default-y="-238.28">
        <pitch>
          <step>D</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>24</duration>
        <tie type="start" />
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        <notations>
          <tied type="start" />
          </notations>
        </note>
      <note default-x="32.16" default-y="-218.28">
        <chord />
        <pitch>
          <step>A</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>24</duration>
        <tie type="start" />
        <voice>5</voice>
        <type>half</type>
        <stem>down</stem>
        <staff>2</staff>
        <notations>
          <tied type="start" />
          </notations>
        </note>
      <note default-x="155.07" default-y="-238.28">
        <pitch>
          <step>D</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <tie type="stop" />
        <voice>5</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>2</staff>
        <notations>
          <tied type="stop" />
          </notations>
        </note>
      <note default-x="155.07" default-y="-218.28">
        <chord />
        <pitch>
          <step>A</step>
          <alter>-1</alter>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <tie type="stop" />
        <voice>5</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>2</staff>
        <notations>
          <tied type="stop" />
          </notations>
        </note>
      <note>
        <rest />
        <duration>6</duration>
        <voice>5</voice>
        <type>eighth</type>
        <staff>2</staff>
        <notations>
          <fermata type="upright" relative-y="10.00" />
          </notations>
        </note>
      <note>
        <rest />
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <staff>2</staff>
        </note>
      </measure>
    </part></score-partwise>