LMX:
measure key:fifths:0 clef:F4 staff:1 clef:F4 staff:2 F3 voice:1 eighth natural stem:down staff:1 beam:begin A3 eighth B3 eighth E4 eighth beam:end B3 eighth beam:begin A3 eighth F3 eighth A3 eighth beam:end backup whole B1 voice:5 quarter stem:up staff:2 staccato chord B2 quarter D2 quarter staccato chord D3 quarter E2 quarter staccato chord E3 quarter D2 quarter staccato chord D3 quarter measure B3 voice:1 eighth stem:down staff:1 beam:begin E4 eighth B3 eighth A3 eighth beam:end F3 eighth beam:begin A3 eighth B3 eighth E4 eighth beam:end backup whole G2 voice:5 quarter stem:up staff:2 staccato chord G3 quarter G1 quarter staccato chord G2 quarter A1 quarter dot accent chord A2 quarter dot B1 eighth staccato chord B2 eighth


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="618.96">
      <print>
        <staff-layout number="1">
          <staff-distance>133.02</staff-distance>
          </staff-layout>
        <staff-layout number="2">
          <staff-distance>65.00</staff-distance>
          </staff-layout>
        </print>
      <attributes><divisions>12</divisions>
        <key>
          <fifths>0</fifths>
          </key>
        <staves>2</staves>
        <clef number="1">
          <sign>F</sign>
          <line>4</line>
          </clef>
        <clef number="2">
          <sign>F</sign>
          <line>4</line>
          </clef>
        </attributes><note default-x="79.35" default-y="-183.02">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <accidental parentheses="yes">natural</accidental>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="146.60" default-y="-173.02">
        <pitch>
          <step>A</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="213.86" default-y="-168.02">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="281.11" default-y="-153.02">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        </note>
      <note default-x="348.36" default-y="-168.02">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="415.61" default-y="-173.02">
        <pitch>
          <step>A</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="482.86" default-y="-183.02">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="550.11" default-y="-173.02">
        <pitch>
          <step>A</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note default-x="79.35" default-y="-343.02">
        <pitch>
          <step>B</step>
          <octave>1</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <articulations>
            <staccato />
            </articulations>
          </notations>
        </note>
      <note default-x="79.35" default-y="-308.02">
        <chord />
        <pitch>
          <step>B</step>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="213.86" default-y="-333.02">
        <pitch>
          <step>D</step>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <articulations>
            <staccato />
            </articulations>
          </notations>
        </note>
      <note default-x="213.86" default-y="-298.02">
        <chord />
        <pitch>
          <step>D</step>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="348.36" default-y="-328.02">
        <pitch>
          <step>E</step>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <articulations>
            <staccato />
            </articulations>
          </notations>
        </note>
      <note default-x="348.36" default-y="-293.02">
        <chord />
        <pitch>
          <step>E</step>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="482.86" default-y="-333.02">
        <pitch>
          <step>D</step>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <articulations>
            <staccato />
            </articulations>
          </notations>
        </note>
      <note default-x="482.86" default-y="-298.02">
        <chord />
        <pitch>
          <step>D</step>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      </measure>
    <measure number="56" width="512.47">
      <note default-x="25.51" default-y="-168.02">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="86.18" default-y="-153.02">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="146.85" default-y="-168.02">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="207.52" default-y="-173.02">
        <pitch>
          <step>A</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        </note>
      <note default-x="268.19" default-y="-183.02">
        <pitch>
          <step>F</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">begin</beam>
        </note>
      <note default-x="328.86" default-y="-173.02">
        <pitch>
          <step>A</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="389.53" default-y="-168.02">
        <pitch>
          <step>B</step>
          <octave>3</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">continue</beam>
        </note>
      <note default-x="450.20" default-y="-153.02">
        <pitch>
          <step>E</step>
          <octave>4</octave>
          </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>eighth</type>
        <stem>down</stem>
        <staff>1</staff>
        <beam number="1">end</beam>
        </note>
      <backup>
        <duration>48</duration>
        </backup>
      <note default-x="25.51" default-y="-318.02">
        <pitch>
          <step>G</step>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <articulations>
            <staccato />
            </articulations>
          </notations>
        </note>
      <note default-x="25.51" default-y="-283.02">
        <chord />
        <pitch>
          <step>G</step>
          <octave>3</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="146.85" default-y="-353.02">
        <pitch>
          <step>G</step>
          <octave>1</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <articulations>
            <staccato />
            </articulations>
          </notations>
        </note>
      <note default-x="146.85" default-y="-318.02">
        <chord />
        <pitch>
          <step>G</step>
          <octave>2</octave>
          </pitch>
        <duration>12</duration>
        <voice>5</voice>
        <type>quarter</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="268.19" default-y="-348.02">
        <pitch>
          <step>A</step>
          <octave>1</octave>
          </pitch>
        <duration>18</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <articulations>
            <accent />
            </articulations>
          </notations>
        </note>
      <note default-x="268.19" default-y="-313.02">
        <chord />
        <pitch>
          <step>A</step>
          <octave>2</octave>
          </pitch>
        <duration>18</duration>
        <voice>5</voice>
        <type>quarter</type>
        <dot />
        <stem>up</stem>
        <staff>2</staff>
        </note>
      <note default-x="450.20" default-y="-343.02">
        <pitch>
          <step>B</step>
          <octave>1</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        <notations>
          <articulations>
            <staccato />
            </articulations>
          </notations>
        </note>
      <note default-x="450.20" default-y="-308.02">
        <chord />
        <pitch>
          <step>B</step>
          <octave>2</octave>
          </pitch>
        <duration>6</duration>
        <voice>5</voice>
        <type>eighth</type>
        <stem>up</stem>
        <staff>2</staff>
        </note>
      </measure>
    </part></score-partwise>